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Best Scuba Dive Computers in 2024

Since the invention of underwater diving equipment computers began to be used by divers to aid them in their exploring underwater environments. Today, the dive computer is an integral part of scuba gear used. Just like the early diving computers were, today’s diving computers include a variety of features suitable for general recreational and professional underwater activity. Here, we will review 7 of the best dive computers, which are:

  1. Winner: Garmin Descent Mk2i
  2. Best Value: Shearwater Research Teric
  3. Best for Professionals: ScubaPro G2
  4. Best For Beginners: Suunto D4i Novo
  5. Best Seller Award: Cressi Leonardo
  6. Best For Technical Dives: Garmin Descent Mk1
  7. Cheapest: Aqualung i300c

Let’s review all of them with their performance and features!

1. Garmin Descent Mk2i

Best Dive Computer
Image: Garmin.com

The Descent Mk2i is a revolutionary new dive computer from Garmin. That is the reason it is our top pick after deep research. Set your daily routines with the multiday mode, or just push the start button and take on a single dive. With up to 4 dive profiles, you can save all of your dive data and access it at any time. The touchscreen makes changing settings effortless and a quick-release band makes it easy to swap out bands depending on your activity.

Key Features:

  • Air Integration
  • Titanium with Black Band
  • Wi-Fi
  • Smart Bluetooth
  • 1.4” display

Read: Garmin Descent Mk2i Full Review


  • Larger display than the previous version
  • Fast Bluetooth connectivity
  • Wi-fi connectivity
  • Rugged design
  • 80 hours of battery backup in dive mode


  • Price may not be affordable for everyone

2. Shearwater Research Teric

best value dive computer with transmitter
Image: Amazon.com

The Teric Wrist Dive Computer is an ultra-compact, easy-to-use dive computer compatible with all of Shearwater’s digital instruments and can be used as a backup to pressure sensors. It has a large LED screen that will give you the readings you need at a glance: depth, time, no decompression limits and ascent rate. The timer function allows you to calculate surface intervals without having to use any other math or tables.

Key Features:

  • Available in black & blue colors
  • 28 grams lightweight
  • 4 Modes
  •  Monitors up to two tank pressures
  • Capable of calculating the Gas Time Remaining
  • Optional air integration in all modes

Read: Shearwater Research Teric Full Review


  • Small and lightweight
  • Suitable for both technical and recreational diving
  • Can be used as a standalone computer or as an upgrade to an existing dive computer
  • The large, full-color display is easy to read
  • Customizable buttons for easy operation


  • Price may not be affordable for everyone

3. ScubaPro G2

best professional dive computer
Image: Amazon.com

The G2 Dive Computer from ScubaPro is a highly accurate dive computer that offers essential data on ascent rate and tank pressure during the dive. It even comes with Dual Algorithm Technology, giving you the option of choosing between one of two algorithms for your dives. The highly durable design makes this computer suitable for year-round use in salt or fresh water.

Key Features:

  • 8 Gases
  • Predictive Multi-Gas ZHL-16 ADT MB algorithm
  • Full-Color TFT (Thin-Film Transistor) 
  • Customized settings
  • 120 meters Depth
  • Up to 20 hours per charge
  • Transmitter and HRM included

Read: ScubaPro G2 Full Review


  • The ScubaPro g2 dive computer is a high-quality, durable dive computer that is perfect for diving enthusiasts who want the best performance possible.
  • It features an intuitive user interface that makes it easy to track your dive data and make adjustments as needed.
  • This dive computer comes with a variety of features that make it a versatile tool for diving in both shallow and deep waters.
  • It is equipped with a backlit display that makes it easy to see in low-light conditions.


  • Price may not be affordable for everyone

4. Suunto D4i Novo

Best For Beginner
Image: Amazon.com

Suunto D4i Novo Dive Computer is designed for beginner divers and is suitable for both recreational and technical diving. The computer has eight operating modes, a new user interface with easy access to your most used functions, and is packed with features that help you control your plan.

Key Features:

  • Four modes: Air, Gauge, Freedive, and Gauge
  • wireless air integration
  • water-resistant up to 100m (330 ft)
  • With graphical digital display and lighting functionality
  • Lifetime logbooks

Read: Suunto D4i Full Review


  • Low battery indicator
  • Long battery life.
  • Water-resistant up to 100 m depth
  • It supports 4 modes
  • Nice Display
  • Easy to use


  • There is no Bluetooth.
  • The volume of the alarm needs to be improved.

5. Cressi Leonardo Dive Computer

Best Seller
Image: Amazon.com

Cressi Leonardo Dive Computer is a state-of-the-art dive computer with everything you need at an affordable price. The Cressi Leonardo Dive Computer features easy to use interface and can be used alternatively as a free diving watch. It comes equipped with a compass, thermometer, and altimeter to keep you safe in the water.

Key Features:

  • Depth gauge, Nitrox, Stopwatch, and Countdown timer.
  • It’s waterproof up to 300 meters.
  • It has a large display with a backlight.
  • Small and compact, which makes it easy to use and comfortable to wear.

Read: Cressi Leonardo Full Review


  • It tells how long you can stay underwater before your air runs out
  • Measurement can be displayed in either Metric or English units of measure
  • Automatic altitude adjustment
  • A large LCD screen that shows all relevant information clearly at a glance
  • Has a backlight so you can see it clearly in low light conditions


  • Not air integration
  • Does not come with any case
  • No extra wrist strap

6. Garmin Descent Mk1 Dive Computer

Garmin Descent Mk1
Image: Garmin.com

Designed for the serious technical diver, the Garmin Descent Mk1 is constructed with a solid stainless steel chassis and a bright color display. The Mk1 also offers complete surface pool mode with multiple training pages and memory capacity for up to 100 logged dives. Ideal for those who want to push themselves to the next level.

Key Features:

  • Premium dive watch
  • Automatic altitude adjustment
  • 3-axis compass, gyroscope, and barometric altimeter
  •  Elevate wrist heart rate technology with multisport

Read: Garmin Descent Mk1 Review


  • It has GPS Navigation
  • User-friendly interface
  • Quickfit bands
  • Able to track data in real-time
  • Easy to use with one hand
  • Audible reminders


  • Expensive

7. Aqualung i300c

cheap dive computer
Image: Aqualung.com

The i300c is a dive computer from Aqualung’s i-series, which aims to deliver reliable and affordable dive equipment. Importantly, the computer stores the most vital dive information in its memory so that it can be downloaded to a Windows or Mac computer. This makes it easy to print out your dive profile to study diving techniques and experience noticed on dives over time. The i300c also comes with a low-power mode which can be used when it is not powered to increase battery life as much as possible.

Key Features:

  • Rugged design
  • 100-meter depth
  • 2 buttons
  • switching between free dive and dive modes
  • Logbook
  • History mode up to 24 dives
  • Wrist / Console mounting option

Read: Aqualung i300c Review


  • Easy to use
  • Easy to read
  • Bluetooth
  • High-quality rugged material
  • Max depth range
  • Reasonable price
  • Backlight


  • No compass
  • No air integration

What is a scuba dive computer?

A dive computer is a device used by recreational and professional divers to measure the time and depth of a dive so that safe ascent rates can be calculated to avoid decompression sickness. These computers analyze changes in pressure as the diver descends and ascends, calculating from this and from other parameters such as time and previous dives how much nitrogen is dissolved in the diver’s tissues.

Best Dive Computers Quick Tips

A scuba diving computer can be a great asset on your next dive. It can help you keep track of your depth, time, and air supply so you can stay safe underwater. But how do you know which one is right for you? Here are a few things to consider when choosing the dive computer:

  • How often will you be diving? If you plan on diving regularly, you’ll need a more robust device than if you’re only planning on diving occasionally.
  • What is your budget? A scuba dive computer watch can range in price from a few hundred dollars to over a thousand dollars.
  • What features do you want? Some of these come with basic features like depth and time tracking, while others include more advanced features like air integration and GPS.
  • Where will you be using it? If you’re only planning on diving in relatively shallow water, you won’t need a computer with as many bells and whistles as someone who plans on diving in the open ocean.
  • Keep these factors in mind when choosing a scuba dive computer, and you’re sure to find the perfect one for your next dive. With this check what are the benefits of dive computers?

Tips for choosing the best dive computer

When choosing the dive computer, it’s important to consider how often you will be diving, your budget, and what features you want. More frequent divers or those planning to dive in deeper water will need a more robust computer than occasional divers or those staying close to shore. Dive computers can range in price from a few hundred dollars to over a thousand dollars, so decide what features are most important to you and factor that into your budget. Basic features like depth and time tracking are standard on most models, but some computers also offer air integration and GPS capabilities. By considering these factors, you can find the perfect one for your next dive.

Features you should look at while choosing the device

Below are the points you should see before buying the scuba dive computer watch for yourself:

  • Accuracy
  • The battery life
  • Ease of use
  • The size and weight of the device
  • Display
  • Price

Accuracy of scuba diving computer

This is important because you want to be able to trust your computer when you are diving. You need to know that the depth, time, and air readings are accurate so that you can plan your dive accordingly and stay safe. Look for reviews of the accuracy of different models before making a purchase.

The accuracy of a scuba diving computer watch depends on the model, and some are more accurate than others.a

Most dive computers use an algorithm to calculate the nitrogen in your blood at any given dive time. The algorithm is based on a large database of information that was collected using test subjects. It uses depth and time to determine the nitrogen level and then uses this data to calculate when you will need to decompress your body.

When comparing scuba dive computers, you’ll find that they have different algorithms because they are created by different companies. Algorithms typically vary significantly between company models or brands, so it’s hard to compare one computer with another. However, there are ways to compare the accuracy of various brands and models.

The most accurate method for determining the accuracy of a dive computer is still based on actual divers and real dives. Accuracy is determined by how many divers used a particular brand of computer decompression sickness (DCS) or not. By comparing how many divers experienced DCS with the brand and model of their dive computer, you can get a good idea of its overall accuracy.

The battery life

You don’t want your scuba diving computer to run out of juice while you are underwater, so make sure to choose a model with long battery life. Check how often the batteries need to be replaced and how easy it is to do so.

The battery life of a computer is one of the most important aspects to consider when choosing which dive computer to purchase. When shopping around for the dive computer, you will notice that all manufacturers provide an estimate on how long the battery will last. While this is truly a great place to start, there are several reasons why the estimated battery life may not be 100% accurate.

First and foremost, dive computers use different types of batteries. Some units use traditional lithium-button batteries. These batteries can be replaced by the user and last anywhere from 1-3 years depending on how often you dive. Other brands such as Cressi and Aqua Lung use more advanced battery technology that cannot be replaced by the user (meaning once they die, it is time for a new computer).

And second, the actual battery life of your dive computer depends heavily on how often you dive and what kind of environment you are diving in. For instance, cold water temperatures can eat away at your battery life more rapidly than warm water diving. Additionally, deeper dives can drain your battery faster than shallow dives.

Ease of use

You should be able to easily read and understand your computer while you are diving. Look for a model with a clear display and user-friendly controls.

The ease of use is one of the most important aspects of the perfect scuba dive computer. It should be as easy to operate as possible so that you do not have to learn how to use it for many hours before you can control it. However, some functions that are too easy may not be enough for your diving experience. You should look for a computer with an easy-to-use interface and an intuitive menu system.

A scuba dive computer with an easy-to-use interface is one that will allow a diver to quickly understand what the various features and functions are, as well as how they work together in order to make the most out of his/her diving experience. This makes it easier for a diver to navigate through the various sections and make adjustments or modifications whenever he/she wants.

A scuba dive watch with an intuitive menu system is one that will allow a diver to easily access all the information necessary in order to make changes or modifications without having to read through pages of instructions or manuals. A dive computer with a menu system that has been designed in such a way that it can be understood by anyone who reads it will be able to help divers get more out of their diving experiences than those computers where every single feature has its own set of instructions and

The size and weight of the scuba dive computer

You don’t want your computer to be too bulky or heavy, as this can be a nuisance when you are diving. Make sure to check the dimensions and weight of the models you are considering.

In order to get the dive watch, you will want to think about its size and weight. These are very important factors that you need to consider before buying it. You will be using this item while underwater.

Therefore, it should not be heavy so that it can easily fit on your wrist. In addition, if it is too large, it may distract you from your dive.


The display should be large and easy to read, even in low-light conditions. Some models have backlit displays for better visibility underwater.

When you are getting your first scuba diving computer, it is important to choose a display feature that will work best for your needs. There are some basic features that are important to consider when choosing a good product.

Choosing the right scuba diving watch involves looking at the display feature. It can have a lot of information displayed on them and this can be very useful when you are learning how to dive for the first time. The more complicated the computer, the more you will have to learn about it. This is why it is important to find a model that has all the necessary information you need on display.


Scuba watches can range in price from a few hundred dollars to over a thousand dollars. Decide what features are most important to you and factor that into your budget.

Our Verdict

In conclusion, it is very important for you to take all the factors into consideration when buying it. The perfect dive watches are the ones that make diving exploration more enjoyable while making sure that the diver is doing everything safely and in an optimized manner. After reviewing all these gear, our researchers came to the conclusion that Garmin Descent Mk2i is all time favorite device because of its perfect design, performance, and robustness. Remember to choose it according to your needs in order to have a memorable fun scuba dive adventure!

Frequently Asked Questions:

Do I need a dive computer?

Yes, it is concerned as an important part of gear while going scuba diving.

What does a dive computer do?

A dive computer tells a diver how much time they can stay underwater and how deep they can dive.

What is air integrated dive computer?

An air-integrated scuba diving computer enables divers to control how the computer calculates dive information based on how a diver breathes.

What is gauge mode on a dive computer?

Gauge mode is a setting used by divers that can be set on their computers. It shows the pressure of the air in their tank.

What is the best dive computer?

The best dive computer is the one with the most features and maximum accuracy.