I completely understand the critical role that dive computers play in ensuring not only a safe but also fun diving experience. These technologies, which are essential pieces of equipment for scuba divers, have altered the way we explore the underwater environment.

In this detailed guide, I’ll share my firsthand knowledge of the top 12 best dive computers on the market in 2023. I hope to equip you with the knowledge you need to make an informed decision for your next underwater trip by providing thorough insights into each model, including their features, performance, and dependability.

This guide will help any diver, from the most inexperienced to the most seasoned, find the ideal dive computer for their specific needs and preferences.

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best dive computers

Comparison Table: The Top Picks

Shearwater Perdix 2 Ti
  • Durable titanium casing
  • Multiple dive modes
  • High-resolution color display
  • Wireless air integration
  • Bluetooth connectivity
  • User-friendly interface
Shearwater Research Teric
  • Versatile dive modes
  • Wireless air integration
  • High-resolution AMOLED display
  • Rugged construction
  • Bluetooth connectivity
  • Customizable watch faces
Best for customization
Susunto Eon Core
  • Customizable display
  • Wireless air integration
  • 3D digital compass
  • Rechargeable battery
  • Multiple dive modes
  • Bluetooth connectivity
Garmin Descent Mk2i
  • Multisport functionality
  • Wireless air integration
  • Full-color display
  • GPS and GLONASS support
  • Dive planning tools
  • Smart notifications
Best for advanced divers
Scubapro G2
  • Designed for advanced divers
  • Full-color TFT display
  • Wireless air integration
  • Rechargeable battery
  • Integrated digital compass
  • Multiple dive modes
Aqua Lung i300C
  • User-friendly interface
  • Four dive modes
  • Wireless air integration (optional)
  • User-replaceable battery
  • Bluetooth connectivity
  • Backlit display
Best for compact design
Mares Smart Air
  • Wireless air integration
  • User-replaceable battery
  • Backlit display
  • Dive log memory
  • Audible alarms
  • Dual algorithm support
BEST FOR recreational divers
Apple Watch Ultra
  • Smartwatch functionality
  • Multiple dive modes
  • GPS and GLONASS support
  • Water resistance up to 100 meters
  • Integrated heart rate monitor
  • Customizable watch faces
Best for beginners
Suunto Zoop Novo
  • Beginner-friendly interface
  • Large, clear display
  • User-replaceable battery
  • Audible alarms
  • Four-button interface
  • Built-in dive planner
Best for simplicity
Cressi Leonardo
  • Simplicity and ease of use
  • Single-button interface
  • User-replaceable battery
  • Audible alarms
  • Backlit display
  • Built-in dive planner
Garmin Descent G1 Solar
  • Solar charging technology
  • Multiple dive modes
  • Wireless air integration
  • GPS navigation
  • Full-color display
  • Bluetooth connectivity
  • Combo with Earbuds
best for quality
Shearwater Research Peregrine
  • Affordable price
  • Multiple dive modes
  • Vibrant full-color display
  • User-friendly interface
  • Bluetooth connectivity
  • Robust construction

The Top 12 Best Dive Computers

1. Shearwater Perdix 2 Ti

Shearwater Perdix 2 Ti

The Shearwater Perdix 2 Ti is a highly advanced and reliable dive computer designed for technical and recreational divers alike. Built with a titanium casing for increased durability, this device offers multiple dive modes, a user-friendly interface, and wireless air integration for a seamless diving experience.

The Perdix 2 Ti also features a high-resolution, full-color display and Bluetooth connectivity for easy dive data analysis and sharing. With its robust construction, comprehensive feature set, and exceptional performance, the Shearwater Perdix 2 Ti stands out as an excellent choice for divers seeking a high-quality and reliable dive computer.

2. Shearwater Research Teric

Shearwater Research Teric

The Shearwater Research Teric is a high-end dive computer with a full-color AMOLED display, which provides excellent readability in all conditions.

This dive computer has a user-friendly interface, and customizable conservatism settings, and supports multiple diving modes, including open-circuit, closed-circuit, and freediving modes.

Its wireless air integration allows you to monitor your tank pressure, gas consumption, and remaining dive time effortlessly. Additionally, the Teric’s built-in GPS and digital compass enhance navigation capabilities during your dives.

3. Suunto EON Core

Suunto EON Core

The Suunto EON Core is a compact and stylish dive computer with a clear, easy-to-read color display. It features the Suunto Fused™ RGBM algorithm, which can be adjusted to match your diving preferences and risk tolerance.

The EON Core supports up to 10 gas mixes, making it suitable for technical divers. Its wireless air integration, digital compass, and customizable display make it an excellent choice for both recreational and advanced divers.

The rechargeable battery offers up to 20 hours of dive time per charge, ensuring you’re always ready for your next adventure.

4. Garmin Descent Mk2i

Garmin Descent Mk2i

The Garmin Descent Mk2i is a versatile dive computer that doubles as a multi-sport smartwatch. Its full-color display, easy-to-navigate menus, and customizable data fields make it user-friendly and informative.

The Descent Mk2i features the Bühlmann ZHL-16c algorithm and supports multiple gas mixes, making it suitable for technical diving. With wireless air integration, GPS, digital compass, and surface mapping, this dive computer ensures you stay safe and well-oriented throughout your dive.

5. Scubapro G2

Scubapro G2

The Scubapro G2 is a robust dive computer with a full-color TFT display that offers excellent readability even in bright sunlight. Its adaptive algorithm allows you to fine-tune your decompression calculations based on your experience level, age, and physical condition.

The G2 supports up to 8 gas mixes and features wireless air integration, allowing you to keep track of your tank pressure and gas consumption.

With a built-in digital compass, rechargeable battery, and an intuitive menu system, the Scubapro G2 is an outstanding choice for divers of all levels.

6. Aqua Lung i300C

Aqua Lung i300C

The Aqua Lung i300C is a versatile and user-friendly dive computer suitable for all experience levels, offering four dive modes: Air, Nitrox, Gauge, and Free Dive. It offers optional wireless air integration and a user-replaceable battery.

With its Bluetooth connectivity, backlit display, and safety features such as audible alarms and automatic altitude adjustment, the i300C provides an excellent balance of functionality and affordability for divers seeking a reliable and easy-to-use dive computer.

7. Mares Smart Air

Mares Smart Air

The Mares Smart Air is a compact dive computer with a clear, segmented display that offers excellent readability. Its RGBM Mares-Wienke algorithm provides accurate decompression calculations, while the user-friendly interface ensures easy access to essential dive data.

The Smart Air supports up to three gas mixes and features wireless air integration, allowing you to monitor your tank pressure seamlessly. With its long battery life and affordable price, the Mares Smart Air is an excellent option for divers on a budget.

8. Apple Watch Ultra

Apple Watch Ultra

The Apple Watch Ultra is a highly advanced smartwatch that combines the best of Apple’s technology with a sleek and stylish design. While not specifically designed as a dive computer its waterproofing hardware, allows diving to a maximum depth of 328 feet (100m).

However, the integrated sensors can only assess depths down to a maximum of 131 feet (40 meters). As a result, the Ultra is only meant for recreational divers who will not surpass the 100-foot (30-meter) limit of an Advanced Open Water dive certification.

9. Suunto Zoop Novo

Suunto Zoop Novo

The Suunto Zoop Novo is a reliable, entry-level dive computer with a large, high-contrast display for easy readability. Its Suunto RGBM algorithm provides accurate decompression calculations, ensuring your safety during dives.

The Zoop Novo supports air and nitrox diving, making it an excellent choice for recreational divers. With its user-friendly interface, long battery life, and affordable price, the Suunto Zoop Novo is perfect for beginners looking for their first dive computer.

10. Cressi Leonardo

Cressi Leonardo

The Cressi Leonardo is an affordable, easy-to-use dive computer designed for recreational divers. Its high-contrast display and single-button interface make it straightforward to access essential dive information.

The Leonardo features the Cressi RGBM algorithm, ensuring accurate decompression calculations for safe diving. With its long battery life and support for air and nitrox diving, the Cressi Leonardo is a great option for divers seeking a simple yet reliable dive computer.

11. Garmin Descent G1 Solar

Garmin Descent G1 Solar

The Garmin Descent G1 Solar with Wearable4U Black Earbuds Bundle is an innovative and versatile dive computer that combines advanced diving features with the convenience of solar charging.

Designed for both recreational and technical divers, the Descent G1 Solar offers multiple dive modes, wireless air integration, and a user-friendly interface.

Its solar charging capability ensures extended battery life and reduces the need for frequent recharging, making it an ideal choice for eco-conscious divers or those who embark on long dive trips.

With its high-resolution, full-color display and Bluetooth connectivity, the Garmin Descent G1 Solar provides an exceptional balance of functionality, sustainability, and reliability for diving enthusiasts.

12. Shearwater Research Peregrine

Shearwater Research Peregrine

The Shearwater Research Peregrine is a high-quality dive computer designed for both recreational and technical divers seeking reliability and ease of use. Offering multiple dive modes, a user-friendly interface, and a vibrant full-color display, the Peregrine provides an exceptional diving experience.

Its intuitive design and comprehensive feature set make it an excellent choice for divers at various skill levels. With its robust construction, Bluetooth connectivity, and accessible price point, the Shearwater Research Peregrine stands out as a top choice for divers in search of a dependable and feature-rich dive computer.

The battery life per charge is up to about 30 hours on a medium brightness level and it includes a USB wireless charging station.

best dive computers

Understanding Dive Computers

Dive computers have become indispensable pieces of equipment for scuba diving, designed to enhance the safety and enjoyment of your underwater excursions.

With their advanced wearable technology and sophisticated features, dive computers are engineered to monitor critical data points, such as depth, time, and decompression limits, providing you with essential information during your dive.

Real-time Information and Alerts

One of the primary advantages of dive computers is their ability to deliver real-time information, keeping you constantly updated on your dive profile. This includes not only your current depth and dive time but also your ascent rate, water temperature, and no-decompression limits.

By closely monitoring these crucial parameters, dive computers enable you to make informed decisions and avoid potential risks, such as decompression sickness.

Safety Features

Safety is of utmost importance when diving, and dive computers come equipped with numerous features designed to enhance your safety underwater. These may include audible and visual alarms that alert you to potential dangers, such as exceeding your no-decompression limits, rapid ascent rates, or low air supply.

Additionally, many dive computers incorporate a safety stop timer, which helps you ensure that you’re adhering to recommended safety stop protocols.

Catering to Divers of All Skill Levels

Dive computers are versatile tools that cater to the needs of divers across all skill levels, from beginners to seasoned professionals. For novice divers, user-friendly models with simplified interfaces and essential features provide a solid foundation to build upon.

On the other hand, advanced dive computers offer a plethora of customizable options and capabilities, such as support for multiple gas mixes, integrated air supply monitoring, and digital compasses.

These features cater to the demands of technical divers and professionals who require sophisticated functionality to support their complex dive profiles.

Key Factors to Consider When Choosing the Best Dive Computer

Selecting the right dive computer is crucial for a safe and enjoyable diving experience. To help you navigate the myriad of options available, I have compiled a list of essential factors that you should consider when choosing the best dive computer for your needs:

Display and Readability

Display and readability are crucial factors that can significantly impact your diving experience. A clear, easy-to-read display and intuitive interface allow you to access essential dive data quickly, making it simpler for you to monitor your dive and make informed decisions underwater. Here are some key aspects to consider regarding display and readability:

Display Type

Dive computers come with multiple dive modes and various display types, each with its advantages and disadvantages:

  1. Segment LCD: Segment LCD displays are commonly found in entry-level dive computers. They offer high contrast and are easily readable in various lighting conditions. However, they may not support advanced graphics or color.

  2. Matrix LCD: Matrix LCD displays offer more flexibility in terms of graphics and layout compared to segment LCD displays. They can display more data on-screen and often have better resolution, but they may not be as easily readable in bright sunlight.

  3. OLED/AMOLED: OLED and AMOLED displays provide vibrant colors, high contrast, and wide viewing angles, making them highly readable even in bright sunlight. These displays are typically found in high-end dive computers, but their increased power consumption can affect battery life.

Screen Size and Resolution

A larger screen size and higher resolution can improve readability by displaying more information at once and providing sharper graphics. However, a larger screen may also result in a bulkier dive computer, so you’ll need to balance readability with the device’s size and weight.

Display Layout and Customization

A well-designed display layout is crucial for easy access to critical dive information. Some dive computers offer customizable display layouts, allowing you to choose which data fields are displayed and in what order.

This customization can help you prioritize the information you find most important, ensuring a more streamlined and personalized diving experience.

Backlight and Illumination

A dive computer’s backlight and illumination play a crucial role in readability, especially when diving in low-light conditions or at night.

Look for dive computers with adjustable backlight settings, allowing you to fine-tune the brightness to your preferences and conserve battery life when needed.

Algorithm and Conservatism Settings

A great dive computer doesn’t just provide you with essential dive data; it also helps you manage your decompression safety by calculating no-decompression limits and mandatory decompression stops.

These calculations are based on the dive computer’s algorithm and conservatism settings, which are crucial factors to consider when selecting the best dive computer for your needs.

Understanding Dive Computer Algorithms

Dive computer algorithms are mathematical models that estimate inert gas absorption and elimination in the human body during a dive.

Different algorithms may produce different decompression profiles, so it’s essential to understand the algorithm used in your dive computer and how it matches your diving preferences.

There are several well-known algorithms used in dive computers, including:

  1. Bühlmann ZHL-16C: This algorithm is widely regarded for its accuracy and is often used in high-end dive computers. It considers multiple tissue compartments and provides a conservative decompression profile.

  2. Suunto RGBM: Developed in collaboration with Dr. Bruce Wienke, the Suunto RGBM algorithm is used in many Suunto dive computers. It combines aspects of reduced gradient bubble models and traditional decompression theory for a conservative approach to decompression safety.

  3. Pelagic DSAT: Based on the work of Dr. Raymond Rogers, the Pelagic DSAT algorithm is used in some Oceanic and Aqualung dive computers. It is considered more liberal than other algorithms, offering shorter decompression times but potentially higher risk.

Conservatism Settings

In addition to the underlying algorithm, most dive computers allow you to adjust conservatism settings to tailor the decompression calculations to your specific needs and risk tolerance.

Increasing the conservatism level results in more conservative dive profiles, with longer decompression times and shallower maximum depths.

Factors that may influence your choice of conservatism settings include:

  1. Age and fitness level: Older divers or those with lower physical fitness may benefit from more conservative settings to minimize the risk of decompression sickness (DCS).

  2. Experience level: Beginner divers or those who don’t dive frequently may prefer more conservative settings for added safety.

  3. Dive conditions: Cold water, strenuous dives, or dives at high altitudes may warrant more conservative settings to account for the increased risk of DCS.

  4. Personal risk tolerance: Some divers may choose more conservative settings to reduce their overall risk, while others may prefer more aggressive settings to maximize bottom time.


Whether you’re a seasoned diver or new to scuba diving, user-friendliness is an essential factor to consider when selecting the best dive computer for your recreational diving adventures.

A user-friendly dive computer allows you to access vital information quickly and easily, minimizing distractions and ensuring a safer and more enjoyable diving experience. Here are some critical aspects of user-friendliness to consider when evaluating dive computers:

Interface and Menu Navigation

A well-designed interface with intuitive menu navigation makes it easier for divers to access the information they need during their scuba diving sessions.

Dive computers with simple button layouts, clear labels, and logical menu structures can reduce confusion and frustration, allowing you to focus on the dive itself.

Some high-end dive computers may also feature touchscreen interfaces, which can provide even greater ease of use.

Customization Options

Dive computers that offer customization options can cater to individual preferences, making them more user-friendly.

Customization options may include the ability to choose between metric and imperial units, adjust display brightness and contrast, or select which data fields are displayed on the main screen.

By tailoring the dive computer’s settings to your specific needs, you can create a more personalized and enjoyable diving experience.

Ease of Setup

For many divers, a basic dive computer, that is easy to set up and configure is essential. Look for dive computers that allow for quick and straightforward adjustments to settings such as gas mixtures, dive modes, and conservatism levels.

Some dive computers may also offer smartphone or computer connectivity, enabling you to configure settings and download dive logs more efficiently.

Clear and Concise User Manual

A comprehensive and easy-to-understand user manual can make all the difference in ensuring you get the most out of your new dive computer.

A well-written manual provides clear instructions on setting up, operating, and maintaining your dive computer, enabling you to use it effectively and confidently during your scuba diving adventures.

Customer Support and Community

A good dive computer should be backed by reliable customer support and a strong user community.

Having access to knowledgeable support staff and fellow divers who can provide guidance, troubleshooting assistance, and advice can significantly enhance your overall experience with the dive computer


Dive computers should be user-friendly, featuring intuitive controls for stress-free diving. Opt for a device with a simple interface, large buttons, and responsive controls that can be easily operated with gloves on.

Touchscreen models should have reliable and responsive screens that work well underwater.

GPS and Digital Compass

For divers seeking the best dive computers with advanced navigation capabilities, GPS and digital compass features can significantly enhance your underwater experience.

These features provide you with accurate navigation data on your dive computer’s screen, making it easier to find your way underwater and return to your entry point. Here’s an overview of GPS and digital compass features in dive computers:

GPS Integration

GPS integration in dive computers allows you to obtain accurate surface positioning data before and after your dive. While GPS signals cannot penetrate water, having GPS capabilities in your diving computer offers several benefits:

  1. Marking entry and exit points: Before diving, you can use the GPS feature to mark your entry point, allowing you to navigate back to it more easily after the dive.

  2. Surface navigation: After surfacing, you can use the GPS data to navigate back to your entry point or boat, especially useful in low visibility conditions or when diving in unfamiliar locations.

  3. Dive logging: GPS data can be integrated into your dive logs, providing you with detailed information about your dive location and enabling you to revisit favorite dive sites more easily.

It’s important to note that GPS integration is typically found in high-end dive computers, so you’ll need to consider your budget and navigation needs when selecting a suitable device.

Digital Compass

A digital compass is an essential navigation tool for many divers, providing accurate heading information on your dive computer’s screen. Digital compasses in dive computers offer several advantages over traditional analog compasses:

  1. Ease of use: Digital compasses are generally easier to read and use than analog compasses, with clear heading information displayed on your dive computer’s screen.

  2. Tilt compensation: Many digital compasses in dive computers offer tilt compensation, allowing for accurate heading readings even when the device is not perfectly level.

  3. Integration with dive data: Some dive computers integrate the digital compass with other dive data, such as depth and dive time, providing you with a comprehensive overview of your underwater navigation.

  4. Customizable display: Some digital compasses in dive computers allow you to customize the display, choosing between different compass modes and layouts to suit your preferences and diving needs.

Battery Life and Type (Rechargeable or Replaceable)

When selecting your ideal dive computer, battery life and type are crucial factors to consider. The battery in your dive computer is responsible for powering all of its essential functions, and having a reliable, long-lasting battery is vital to ensure a safe and enjoyable diving experience.

We’ll go over the two primary types of batteries used in most dive computers – rechargeable and replaceable – as well as the factors to consider when deciding on the best solution for your needs.

Rechargeable Batteries

Many modern dive computers come equipped with rechargeable batteries, offering several benefits to divers:

  1. Eco-friendliness: Rechargeable batteries are more environmentally friendly than disposable batteries, as they can be used multiple times before needing to be replaced.

  2. Cost-effectiveness: Over time, rechargeable batteries can save you money on battery replacements, making them a more cost-effective option in the long run.

  3. Convenience: Dive computers with rechargeable batteries can be charged via USB or dedicated charging stations, making it easy to charge your device between dives or during a dive trip.

However, there are some potential drawbacks to consider:

  1. Limited battery life: Rechargeable batteries tend to have shorter lifespans than replaceable batteries, which may require you to charge your device more frequently.

  2. Replacement challenges: Replacing a rechargeable battery may be more difficult and expensive than replacing a disposable battery, as it typically involves sending the device back to the manufacturer or an authorized service center.

Replaceable Batteries

Replaceable batteries, commonly found in most other dive computers, offer a different set of advantages and drawbacks:

  1. Extended battery life: Replaceable batteries often have longer lifespans than rechargeable batteries, allowing you to dive for longer periods without needing to change the battery.

  2. Easy replacement: When a replaceable battery runs out of power, you can simply swap it out for a new one, making it a convenient option during a dive trip or for divers who prefer to handle battery replacements themselves.

However, there are also some disadvantages to consider:

  1. Environmental impact: Disposable batteries contribute to environmental waste and pollution, making them a less eco-friendly option compared to rechargeable batteries.

  2. Ongoing costs: Over time, the cost of purchasing replacement batteries can add up, making this option potentially more expensive in the long run.


When selecting a dive computer, connectivity is an important element to consider because it allows you to access a variety of additional features and capabilities that can improve your diving experience.

From wireless air integration to seamless dive log syncing and remote dive computer checks, connectivity options can make your dive more enjoyable, safe, and efficient. Here’s an overview of some key connectivity features to consider when selecting a dive computer:

Smartphone and Computer Connectivity

Many modern dive computers offer connectivity to smartphones and computers, allowing you to sync your dive data, access detailed dive logs, and even configure your dive computer’s settings remotely.

Some benefits of smartphone and computer connectivity include:

  1. Dive log management: Easily sync your dive data with a dedicated app or software, allowing you to access, analyze, and share your dive logs more efficiently.

  2. Remote dive computer check: Perform a dive computer check and adjust settings such as gas mixtures, dive mode, and conservatism levels from your smartphone or computer, making it more convenient to prepare for your dive.

  3. Firmware updates: Keep your dive computer up to date with the latest firmware updates, ensuring optimal performance and access to new features.

  4. Social sharing: Share your dive experiences with friends and fellow divers through social media and dive community platforms, fostering connections and camaraderie within the diving community.

Bluetooth Connectivity

Bluetooth connectivity is another feature found in some dive computers, allowing for seamless wireless data transfer between your dive computer and your smartphone, tablet, or computer.

This feature provides an added level of convenience, eliminating the need for cables and making it easier to sync your watch sized dive computer with data and update settings.

Air Integration

For divers seeking a full-featured device, an air-integrated dive computer is an essential consideration. Air integration provides real-time information on your tank pressure and air consumption, allowing you to monitor your breathing rate and remaining air more effectively.

There are two types of air integration available in dive computers: wireless and hose-based.

Wireless Air Integration

Wireless air integration uses a transmitter attached to your first-stage regulator to send pressure data to your dive computer.

This wireless connection eliminates the need for a separate high-pressure hose, reducing clutter and streamlining your dive gear setup. Key benefits of wireless air integration include:

  1. Enhanced convenience: With no high-pressure hose to manage, you can enjoy a more comfortable and clutter-free diving experience.

  2. Real-time air consumption monitoring: Wireless air integration allows you to track your air consumption in real time, enabling you to manage your breathing and dive more efficiently.

  3. Gas switching capabilities: Some air-integrated dive computers with wireless integration support multiple transmitters, allowing you to monitor multiple gas mixes during a single dive. This feature is particularly useful for technical divers.

Hose-Based Air Integration

Hose-based air integration uses a high-pressure hose connected to your first-stage regulator and dive computer. The dive computer typically replaces your traditional submersible pressure gauge (SPG) in this setup.

Key benefits of hose-based air integration include:

  1. Reliability: Hose-based air integration is generally considered more reliable than wireless integration, as there is no risk of signal interference or loss.

  2. Cost-effectiveness: Dive computers with hose-based air integration are often more affordable than those with wireless capabilities, making them an attractive option for divers on a budget.

  3. Simple setup: Hose-based air integration is easy to set up, with no need for additional transmitters or pairing procedures.

Gas Switch and Nitrox Compatibility

For divers seeking a versatile and full-featured dive computer, gas switch and nitrox compatibility are important factors to consider.

These features allow you to dive with different gas mixtures, such as air nitrox, providing greater flexibility and enabling you to extend your bottom times and shorten decompression stops.

Here’s a rundown of dive computers’ gas switch and nitrox compatibility:

Nitrox Compatibility

Nitrox compatibility is a crucial feature for divers who plan to use enriched air nitrox (EANx) mixtures. Nitrox offers several benefits compared to breathing regular air, including extended no-decompression limits and reduced risk of decompression sickness.

Nitrox-compatible dive computers can calculate no-decompression limits and decompression stops for varying nitrox mixtures, typically ranging from 21% to 100% oxygen content. When using a nitrox-compatible dive computer, it’s essential to:

  1. Properly set the oxygen percentage (O2%) and maximum operating depth (MOD) for your nitrox mixture before diving.

  2. Use an air nitrox gauge or analyzer to confirm the O2% in your tank, ensuring accurate calculations by your dive computer.

Gas Switch Capability

Gas switch capability is a feature often found in advanced and full-featured dive computers, allowing you to switch between multiple gas mixtures during a single dive.

This feature is particularly useful for technical divers who use different gas mixes for bottom, travel, and decompression phases of their dives. Some benefits of gas switch capability include:

  1. Increased dive planning flexibility: Gas switch capability enables you to plan more complex dives with varying gas mixtures, extending your bottom times and optimizing decompression.

  2. Improved safety: The ability to switch gases during a dive allows you to choose the most appropriate gas mixture for each phase, reducing the risk of oxygen toxicity or decompression sickness.

  3. Real-time gas management: Dive computers with gas switch capabilities can monitor tank pressure and remaining air time for each gas mixture, helping you manage your gas consumption effectively throughout the dive.

Alarm Notifications

In a dive computer, the alarm feature is crucial to take into account as it can improve your underwater safety and awareness.

Dive computers come with various alarm notifications, including audible alarms and visual alerts, that can inform you of critical dive parameters, potential hazards, and important milestones during your dive.

We’ll go through the significance of alert notifications and how they can help make diving safer and more fun.

Audible Alarms

Audible alarms are an essential safety feature found in a dive computer. These alarms produce a distinct sound to alert you of important dive information or potential hazards.

Here you have some common types of audible alarms:

  1. Depth alarms: Notify you when you reach a pre-set maximum or minimum depth, helping you to stay within your planned dive limits and avoid decompression obligations.

  2. Ascent rate alarms: Alert you if your ascent rate exceeds a safe limit, reducing the risk of decompression sickness by reminding you to ascend slowly and safely.

  3. Gas switch alarms: Signal when it’s time to switch gas mixtures during a technical dive, ensuring that you use the correct gas mixture for each phase of the dive.

  4. No-decompression limit alarms: Notify you when you’re approaching or exceeding your no-decompression limit, allowing you to manage your dive time and avoid mandatory decompression stops.

  5. Free dive alarms: Alert you of important milestones during a free dive, such as reaching a target depth or time, helping you to stay within your planned limits and ensure a safe dive.

Visual Alerts

In addition to audible alarms, many dive computers also feature visual alerts on the device’s screen. These alerts can include flashing icons, color-coded warnings, or text notifications that provide important information about your dive.

Visual alerts can be particularly useful in noisy environments, where audible alarms might be difficult to hear, or for divers with hearing impairments.

Customizable Alarm Settings

Some dive computers offer customizable alarm settings, allowing you to tailor the alarms to your specific needs and preferences. Customizable alarms can help to minimize distractions during your dive, ensuring that you only receive alerts for the most relevant and important information.

When selecting a dive computer, consider whether customizable alarm settings are a priority for you and your diving needs.

Dive Computer Style

One important factor to consider is the device’s style, as it can influence the overall comfort, convenience, and usability of the computer during your dives.

Dive computers typically come in two main styles: wrist style, which is larger and designed to be worn on the forearm or attached to your dive gear, and watch-like (dive watch), which is more compact and resembles a wristwatch.

Wrist Dive Computers

Wrist dive computers are larger devices that are typically worn on the forearm or attached to your dive gear. These traditional dive computers offer several benefits:

  1. Larger display: Wrist dive computers often have a larger screen, which can make it easier to read and interpret dive data underwater, especially in low visibility conditions.

  2. Enhanced features: Due to their larger size, conventional dive computers often have more room for advanced features, such as wireless air integration or integrated digital compasses.

However, there are also some drawbacks to consider:

  1. Size and bulkiness: Wrist dive computers can be larger and heavier than watch-style dive computers, which may make them less comfortable to wear or more difficult to transport.

  2. Less versatile: Conventional dive computers are designed primarily for diving and may not be suitable for everyday wear or other outdoor activities.

Watch Style Dive Computers

Watch-style dive computers are smaller, more compact devices that resemble a smartwatch dive computer. These computers offer several advantages:

  1. Comfort and convenience: Watch-sized dive computers are lighter and more comfortable to wear, making them a popular choice for divers who prefer a more streamlined and unobtrusive device.

  2. Versatility: Many watch-style dive computers can double as everyday wristwatches or smartwatches, allowing you to seamlessly transition between diving and daily life.

However, there are some potential disadvantages to consider:

  1. Smaller display: Watch-style dive computers often have smaller screens, which can make it more challenging to read and interpret dive data underwater, especially for those with less-than-perfect eyesight.

  2. Limited features: Due to their compact size, watch-style dive computers may have fewer advanced features compared to conventional dive computers, such as wireless air integration or integrated digital compasses.


When choosing a dive computer, price is an important factor to consider, as it can greatly influence the features, capabilities, and overall quality of the device.

Dive computers come in a wide range of prices, from affordable budget dive computers to high-end, feature-rich models.

Let’s review the importance of finding the right dive computer within your budget and offer tips on how to select the best budget dive computer for your needs.

Budget Dive Computers vs. High-End Models

Budget dive computers often provide the essential features required for recreational diving, such as depth and time tracking, no-decompression limit calculations, and basic safety alarms.

These devices are suitable for beginner divers or those who only dive occasionally and don’t require advanced features like wireless air integration or GPS.

On the other hand, high-end dive computers offer a wider range of advanced features and capabilities than beginner dive computers, such as customizable algorithms, multiple gas support, and integrated digital compasses.

These models are generally more expensive but can provide a more comprehensive and enjoyable diving experience for advanced or technical divers.

Factors to Consider When Choosing a Budget Dive Computer

When selecting the best budget dive computer, it’s crucial to consider your specific diving needs, preferences, and future goals. Here are some factors to keep in mind for best budget dive computers:

  1. Essential features: Ensure that the budget dive computer you choose offers the essential features you need for safe and enjoyable diving, such as depth and time tracking, ascent rate monitoring, and basic safety alarms.

  2. Ease of use: Look for a cheap dive computer with a user-friendly interface, clear display, and intuitive controls, making it easy to operate and read underwater.

  3. Durability: While the cheapest dive computer may be tempting, it’s essential to consider the device’s build quality and durability to ensure it can withstand the harsh underwater environment and last for many dives.

  4. Upgradeability: As you gain more diving experience, you may want to explore more advanced features and capabilities. Selecting a budget dive computer that allows for upgrades or add-ons can help to future-proof your investment and accommodate your growing diving needs.

Final Thoughts

Choosing the best dive computer depends on your diving preferences, experience level, and budget. The top 12 dive computers that I have listed above cover a wide range of diving needs, from entry-level to technical diving.

I do recommend considering factors such as display readability, algorithm, air integration, and battery life, so you can make an informed decision and select the dive computer that best meets your requirements.

Remember, a reliable dive computer is an essential piece of gear that ensures your safety and enhances your overall diving experience.

Happy diving!

Frequently Asked Questions (FAQ)

In this FAQ section, we’ll address some common questions about dive computers, their features, and their importance in ensuring a safe and enjoyable diving experience.

Q: What is the best dive watch brand for computers?

A: Several reputable brands are known for producing high-quality dive computers, such as Suunto, Garmin, Shearwater, Oceanic, and Scubapro. The best brand for you will depend on your specific needs, preferences, and budget.

Q: What is the easiest dive computer to read?

A: Dive computers with larger displays, high-contrast colors, and clear fonts tend to be easier to read underwater. Some high-end models also feature OLED screens, which offer excellent readability in various lighting conditions.

Q: How much should you spend on a dive computer?

A: The amount you should spend on a dive computer will depend on your diving experience, needs, and budget. Beginner divers may opt for a more affordable, basic model, while advanced divers might invest in a feature-rich, high-end device. Prices can range from under $200 for entry-level models to over $1,000 for high-end computers.

Q: What is the best dive computer AI?

A: The term “AI” in dive computers usually refers to air integration. The best air-integrated dive computer will depend on your diving needs and preferences, but some popular models include the Suunto EON Steel, Shearwater Teric, and Scubapro G2.

Q: What is the most popular dive computer?

A: Popularity can vary based on personal preferences and specific diving needs. Some popular dive computers include the Suunto D5, Shearwater Teric, and Garmin Descent Mk2.

Q: What is the average price for a dive computer?

A: The average price for a dive computer can vary widely depending on the features and brand. However, you can expect to spend between $200 and $1,000 for most models.

Q: Is a dive computer necessary?

A: While it is possible to dive without a computer, using one greatly enhances your safety and convenience. Dive computers continuously track your depth, time, and decompression status, helping you avoid accidents and make informed decisions during your dive.

Q: Can you use an Apple watch as a dive computer?

A: Although the Apple Watch is water-resistant, it is not designed for use as a dive computer. Dive computers are specifically engineered to withstand the pressures and conditions of diving, and using an Apple Watch as a dive computer could result in inaccurate readings or damage to the device. You can use the Apple Watch Ultra dive computer instead.

Q: Which smartwatch is best for diving?

A: Some smartwatches, such as the Garmin Descent Mk2 and Suunto D5, are specifically designed for diving and offer advanced features like depth tracking, ascent rate monitoring, and dive log storage.

Q: Do I need 2 dive computers?

A: Having a backup dive computer can be beneficial, especially for technical dives or dives with decompression obligations. A backup computer ensures that you have access to critical dive information in case your primary computer fails during a dive. However, recreational divers may find that one dive computer is sufficient for their needs.

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