Diving is an exciting and adventurous activity that requires proper equipment to ensure safety and enjoyment. One essential piece of equipment for divers is a dive computer. A dive computer is a device that tracks the depth, time, and nitrogen levels during a dive. It calculates the safe amount of time a diver can spend underwater and the time required for decompression stops.

When it comes to purchasing a dive computer, there are several factors to consider, such as the type of diving you plan to do, the features you need, and your budget. Some critical features to consider include air integration, battery life, display readability, and ease of use.

We spent numerous hours researching and testing various dive computers to identify the best ones on the market. In this article, we'll share our top picks for the best dive computers and provide a comprehensive guide to help you make an informed decision.

Best Dive Computers

We understand the importance of having a reliable dive computer when exploring the depths of the ocean. That's why we've put together a list of the best dive computers currently available on Amazon. Our selection includes top-rated products that offer a range of features to suit different needs and budgets. Whether you're a beginner or an experienced diver, you'll find a dive computer on our list that will enhance your underwater experience. So, without further ado, let's dive into our roundup of the best dive computers on Amazon.

Aqua Lung i300C Dive Wrist Computer Black/Blue

We highly recommend the Aqua Lung i300C Dive Wrist Computer Black/Blue for new divers as well as dive schools and centers. It is an affordable, durable, and versatile dive computer that is easy to use and packed with features.

Pros

• The i300C can be wirelessly interacted with via Bluetooth Smart technology using your mobile device and the free DiverLog+ app, available for iOS and Android.
• It features four operating modes: Air, Nitrox, Gauge (with run timer), and Free Dive (tracks calculations to allow switching between DIVE and Free).
• The user-changeable battery and data retention feature that saves past settings and calculations between battery changes.

Cons

• The i300C is quite bulky and may not be comfortable to wear all day.
• Some users may find the two-button system difficult to operate.
• The backlighting may not be bright enough for some divers in low-light conditions.

The Aqua Lung i300C Dive Wrist Computer Black/Blue is a great choice for divers who want a reliable and feature-packed dive computer without breaking the bank. Its Bluetooth connectivity and data retention feature make it easy to use and customize, and its four operating modes allow for flexibility in different diving situations. However, its bulky size and two-button system may be challenging for some users, and the backlighting may not be bright enough for low-light conditions. Overall, we think the Aqua Lung i300C Dive Wrist Computer Black/Blue is a solid choice for any diver looking for an affordable and versatile dive computer.

Shearwater Research Peregrine Dive Computer - Classic Black

If you're looking for a reliable and easy-to-use dive computer, the Shearwater Research Peregrine is a great option.

Pros

• The two-button interface makes it simple to navigate the state-aware menu structure.
• The battery life is impressive, lasting up to about 30 hours on medium brightness level.
• The USB wireless charging station is included, so you don't have to worry about buying additional accessories.

Cons

• The menu system isn't intuitive, so it may take some time to get used to.
• The display is not as bright as some other dive computers on the market.
• The price point may be a bit high for some divers.

We recently had the opportunity to test out the Shearwater Research Peregrine on a dive trip, and we were impressed with its performance. The two-button interface made it easy to navigate the menu, and we appreciated the state-aware structure that helped us keep track of our dive information.

One of the standout features of the Peregrine is its battery life. We were able to use it for multiple dives without having to worry about recharging, and the included wireless charging station made it easy to top up the battery between dives.

While the display wasn't the brightest we've seen, it was still easy to read underwater, even in low visibility conditions. We also appreciated the compact size of the Peregrine, which made it easy to pack in our dive bag.

Overall, we would recommend the Shearwater Research Peregrine to any diver looking for a reliable and easy-to-use dive computer. While it may take some time to get used to the menu system, the battery life and included charging station make it a great value for the price.

Aqua Lung i200C Dive Computer Blue

If you're looking for an intuitive and sporty dive computer that you can wear as an everyday sports watch, the Aqua Lung i200C could be a great choice.

Pros

• With 4 operating modes, including Air, Nitrox, Gauge (with run timer), and Free Dive, this dive computer adapts to your needs.
• The user-changeable standard battery is easy to replace and maintains settings and calculations between battery changes.
• The high visibility LED alarm light is a great safety feature for divers.

Cons

• Setting up Nitrox mixes can be a little tricky without the guide.
• The interface may not be the most user-friendly, and you may need to refer to the manual a few times.
• The directions that come with the computer are not very helpful, so you may need to turn to online resources for assistance.

Overall, we think the Aqua Lung i200C is a solid dive computer that offers versatility and convenience. While it may not be the easiest to use, it gets the job done and offers some great features that make it a good value for the price.

If you're looking for a dive computer that can handle multiple modes and Nitrox mixes, and you don't mind a bit of a learning curve, the Aqua Lung i200C could be a great choice for you.

Aqua Lung i300C Computer 2 Gauge Imp Blue

We highly recommend the Aqua Lung i300C Computer 2 Gauge Imp Blue for anyone looking for an affordable and reliable dive computer.

Pros

• Bluetooth connectivity. The Bluetooth technology allows for easy wireless exchange of dive log information with the DiverLog app and quick connections with dive buddies on social media.
• Four operating modes. The i300C has four operating modes: Air, Nitrox, Gauge (with run timer), and Free Dive (tracks calculations to allow switching between DIVE and Free).
• Three gas computer. Able to switch up to three gases underwater.

Cons

• Backlighting. Although the i300C has backlighting for easy reading in low light, it can be difficult to read underwater in certain conditions.
• Limited features. While the i300C is great for recreational diving, it may not have all the features needed for more complex diving.
• Small display. The display is on the smaller side, which can be challenging for some divers to read.

The Aqua Lung i300C Computer 2 Gauge Imp Blue is a durable, versatile, and affordable dive computer that is perfect for new divers as well as dive schools and centers. The uncomplicated, intuitive, and rugged design allows you to focus on your dive, not your gear. With an easy-to-use interface, flexible operating modes, built-in backlight, and water-activated on switch, the i300C gets you in the water and descending to your next adventure in no time.

The i300C also has Bluetooth connectivity, which allows you to use the DiverLog app to share dive log information and connect with dive buddies on most mobile devices. Users will appreciate the data retention feature that saves past settings and calculations between battery changes.

Overall, the Aqua Lung i300C Computer 2 Gauge Imp Blue is a great choice for anyone looking for an affordable and reliable dive computer that has all the necessary features for recreational diving.

SEAC Action HR Dive Computer

If you're in the market for a reliable dive computer, the SEAC Action HR is a great option to consider.

Pros

• Easy to use with three main modes: Scuba, Gauge, and Freediving.
• Improved resistance with long-lasting CR2450 battery.
• Safety alarms for MOD exceeded, deco stop violated, and ascent speed.

Cons

• Dead battery upon arrival for some customers.
• Small screen size may make it difficult to read underwater.
• Some customers experienced malfunctions after only a few dives.

We recently had the chance to test out the SEAC Action HR Dive Computer on a few dives, and overall, we were impressed with its ease of use and reliability. The three main modes - Scuba, Gauge, and Freediving - make it versatile enough to use for a variety of diving activities.

One of the standout features of the SEAC Action HR is its improved resistance and long-lasting CR2450 battery. We were able to use it on multiple dives without having to worry about the battery dying. The safety alarms for MOD exceeded, deco stop violated, and ascent speed were also reassuring.

However, we did notice a few drawbacks to the SEAC Action HR. Some customers reported receiving the product with a dead battery, which can be frustrating. Additionally, the small screen size may make it difficult to read underwater, especially for divers with poor eyesight. Finally, some customers experienced malfunctions after only a few dives, which is concerning.

Overall, we would recommend the SEAC Action HR Dive Computer for its ease of use, versatility, and safety features, but be aware of the potential issues with battery life and malfunctions.

Buying Guide

When choosing a dive computer, there are several factors to consider to ensure that you get the best product to suit your needs. Here are some key features to look for when shopping for a dive computer.

Type of Dive Computer

There are two main types of dive computers: wrist-mounted and console-mounted. Wrist-mounted dive computers are worn like a watch and are more convenient for recreational diving. Console-mounted dive computers are larger and are typically used by technical divers or those who need more complex features.

Display

The display on a dive computer should be easy to read both above and below water. Look for a display that is large, clear, and easy to read in low light conditions.

Algorithm

The algorithm used by a dive computer is important as it determines how much bottom time you have and how long you need to wait between dives. Look for a dive computer with a reliable algorithm that is suitable for your level of diving.

Nitrox Compatibility

If you plan on diving with Nitrox, make sure the dive computer you choose is compatible with it. Some dive computers have built-in Nitrox settings, while others require an upgrade.

Wireless Connectivity

Wireless connectivity allows you to connect your dive computer to other devices, such as a dive log app or a dive computer console. Look for a dive computer with Bluetooth or other wireless connectivity options.

Battery Life

Battery life is an important consideration when choosing a dive computer. Look for a dive computer with a long battery life or one that is easy to replace or recharge.

By considering these factors, you can choose a dive computer that meets your needs and provides you with accurate and reliable information during your dives.