Best Dive Computer: Top 9 Reviewed

Attention scuba divers! Enhance your dives with the best dive computer.

Based on a 2022 InDepth Magazine and Business of Diving Institute survey, a whopping 95.3% of tech divers use dive computers for all dives.

These smart devices monitor time, depth, and decompression, replacing outdated dive tables with real-time data, and acting as your underwater guide. However, selecting the ideal device requires matching your diving style and experience level. Fear not, we’ve done the homework.

Our upcoming blog post will review the top 9 dive computers, covering features, benefits, and any drawbacks.

Whether you’re a beginner or experienced, these advanced devices promise safer, more enjoyable dives. Prepare to find the best dive computer for your underwater exploration. Dive in!

What Are the 9 Best Dive Computers?

It’s time to dive deeper into the specifics.

We’ve explored the vast ocean of options, surfacing with a selection of the top 9 dive computers that promise to enhance your diving experience.

From beginners to seasoned divers, there’s a device for everyone. So, let’s plunge in and uncover what these top-rated devices have to offer!

1. Shearwater Peregrine Dive Computer

Overview

The Shearwater Peregrine Dive Computer, crafted by a dedicated team of engineers and diving enthusiasts, stands out as a user-friendly, multi-gas, full-color device.

Boasting a vibrant 5.59cm LCD screen, it caters to divers of all experience levels, placing emphasis on simplicity and ease of use.

Key Features

• Diving Modes: Offers multiple diving modes, accommodating various underwater activities.
• Charging: Equipped with wireless charging capabilities for enhanced convenience.
• Display: Provides a customizable display, allowing divers to focus on their preferred information.
• Connectivity: Features cloud connectivity for seamless information sharing and easy firmware updates.
• Languages and Planning: Supports multiple languages and includes comprehensive No Decompression Limit (NDL) and Decompression (DECO) planners using the Bühlmann GF algorithm.

Pricing

The Shearwater Peregrine Dive Computer retails for $510.

Pros

• Battery Life: Offers up to 30 hours of usage on a single charge.
• Information Sharing: Enables effortless sharing and updates through cloud connectivity.
• Customizability: Allows divers to personalize the display based on their information needs.
• Dive Planning: Simplifies dive planning with multiple modes and decompression tools.

Cons

• Technical Diving Modes: Its focus on simplicity and usability may disappoint those seeking advanced technical diving modes.

Bottom Line

Ideal for air and nitrox divers, the Shearwater Peregrine suits beginners or recreational divers perfectly. Its emphasis on readability and user-friendly interface positions it as a top choice for those seeking a dive computer that effortlessly balances functionality with ease of use.

Despite its limitations for advanced technical diving, its array of features and focus on usability make it a compelling choice in the realm of dive computers.

2. Apple Watch Ultra : Oceanic+

Overview

The Apple Watch Ultra Dive Computer: Oceanic+ marks a remarkable synergy between Apple and Oceanic+.

It encompasses Apple’s stellar hardware and the user-friendly Oceanic+ app, carving a unique niche in the dive computer market. This device serves as a comprehensive companion, providing vital dive data while boasting an appealing form factor.

Key Features

• Oceanic+ App: Provides a detailed dive profile, including depth, time in, temperature, and heart rate. Also offers essential dive data like No Decompression Time, Dive Time, and Max Depth.
• Nitrox Integration: Comes with an optional Nitrox integration into planning for enhanced dive safety.
• Ascent Alert: Alerts divers of rapid ascent with sound and haptic feedback.
• Upgradable: High potential for over-the-air upgrades to monitor health.

Pricing

The Apple Watch Ultra Dive Computer: Oceanic+ is priced competitively, but it requires a subscription for accessing full features. See pricing below:

Pros

• Display: Clear, bright display, easy to see even in strong sunlight.
• Readability: Simple and easy-to-read information enhances usability.
• Use with Gloves: Functionality remains unaffected when used with dive gloves.
• Compass: Includes a reliable compass for navigational assistance.
• Upgradability: Great potential for over-the-air health monitoring upgrades.
• Dive Log & Planner: Detailed logbook and iPhone planner expand potential through crowd-sourcing.

Cons

• Subscription Requirement: Full dive computer features require a subscription.
• Battery Life: Battery life could be an issue for some users.

Bottom Line

Ideal for tech-savvy divers and Apple enthusiasts, the Apple Watch Ultra Dive Computer: Oceanic+ stands out for those who appreciate an integrated tech ecosystem and are willing to subscribe for full dive features access.

While its battery life might raise some concerns, its wide array of features and potential for upgradability make it a compelling choice.

3. Suunto Zoop Novo Dive Computer

Overview

The Suunto Zoop Novo Dive Computer, a product of the renowned brand Suunto, strikes a balance between simplicity, reliability, and affordability.

This popular dive computer is designed to provide essential dive information in a user-friendly format, making it ideal for divers across all experience levels.

Key Features

• Diving Modes: Offers four versatile diving modes – air, nitrox, gauge, and freediving.
• Display: Features a clear, easy-to-read display with large digits and a backlight for improved underwater visibility.
• Data Provision: Provides essential dive data such as depth, dive time, ascent rate, and temperature.
• Decompression Model: Uses Suunto’s Fused RGBM 2 decompression model for reliable decompression calculations.
• Battery: Comes with a user-replaceable battery for added convenience.

Pricing

The Suunto Zoop Novo Dive Computer is priced affordably, offering impressive value for the features it brings to the table.

Pros

• User Interface: Simple and intuitive, enhancing user experience.
• Durability: Robust construction ensures longevity.
• Display: Large, easy-to-read display with backlight improves readability.
• Decompression Calculations: Reliable, thanks to the Fused RGBM 2 algorithm.
• Versatility: Offers various diving modes to cater to different types of dives.
• Affordability: Provides great value for its price point.

Cons

• Advanced Features: Lacks some features found in higher-end dive computers.
• Customization: Offers limited options compared to more advanced models.
• Air Integration: Does not support built-in wireless air integration.
• Gas Switching: Does not support gas switching while scuba diving.

Bottom Line

The Suunto Zoop Novo is an excellent choice for recreational divers and beginners who value simplicity, reliability, and affordability over advanced technical features.

Its durability and user-friendly interface make it ideal for dive centers and rental operations. It may lack some advanced features, but its impressive range of capabilities, coupled with its affordability, makes it a fantastic first-dive computer.

4. AquaLung i300c Dive Computer

Overview

The AquaLung i300c, manufactured by the reputable dive equipment company AquaLung, is a dive computer known for its simplicity, reliability, and user-friendly design.

The i300c, compact and lightweight, offers essential dive information, catering to divers of varying experience levels.

Key Features

• Operating Modes: Features four operating modes – Air, Nitrox, Gauge, and Free Dive.
• Dive Data: Provides essential dive information like depth, dive time, ascent rate, and no-decompression limits.
• Alerts: Comes with audible and visual alarms for safety alerts during dives.
• Interface: Utilizes a single-button interface for easy navigation and operation underwater.
• Compatibility: Works with AquaLung’s DiverLog+ app for improved dive logs and data transfer.

Pricing

The AquaLung i300c Dive Computer is affordably priced, offering good value for its features.

Pros

• Design: Compact and lightweight, facilitating easy handling.
• Interface: Intuitive single-button interface enables effortless operation.
• Display: Clear and easy-to-read display with large digits.
• Operating Modes: Versatile modes cater to different types of dives.
• Alerts: Provides audible and visual safety alerts.
• Battery: Comes with a user-replaceable battery for convenience.
• App Compatibility: Compatible with the DiverLog+ app for enhanced dive logs and data transfer.

Cons

• Advanced Features: Lacks some features found in higher-end dive computers.
• Customization: Limited customization options compared to more advanced models.
• Air Integration: Does not support built-in wireless air integration.
• Connectivity: Limited options for data transfer.

Bottom Line

The AquaLung i300c is an excellent choice for recreational divers and beginners who prioritize simplicity and reliability. Its compact size, user-friendly interface, and essential features make it appealing to divers of all experience levels.

For those seeking a straightforward and affordable dive computer that delivers necessary dive information with ease, the i300c is an ideal pick.

5. Garmin Descent G1 Solar Dive Computer

Overview

The Garmin Descent G1 Solar Dive Computer, a leading product from GPS and outdoor technology brand Garmin, provides advanced features and remarkable performance for diving enthusiasts.

Designed with robust construction, cutting-edge technology, and solar charging capabilities, this dive computer is crafted for an enriched diving experience.

Key Features

• Diving Modes: Multiple modes including single and multiple gas, trimix, and apnea diving.
• Dive Data: Provides comprehensive data, such as depth, dive time, temperature, ascent rate, and decompression information.
• Navigation Features: Equipped with advanced navigation features, including a 3-axis compass and GPS functionality.
• Solar Charging: Features solar charging capabilities for extended battery life.
• Wireless Connectivity: Offers wireless connectivity for easy data transfer and updates.

Pricing

The Garmin Descent G1 Solar Dive Computer is priced higher than entry-level dive computers, reflecting its advanced features.

Pros

• Battery Life: Solar charging capabilities ensure extended battery life.
• Construction: Rugged and durable construction, suitable for underwater and outdoor use.
• Display: Bright and clear color display ensures easy readability.
• Navigation: Advanced navigation features, including a 3-axis compass and GPS.
• Connectivity: Allows wireless data transfer and updates.
• App Compatibility: Compatible with Garmin Connect™ app for dive logging and analysis.

Cons

• Price: Higher price point compared to entry-level dive computers.
• User Experience: Advanced features may require additional training to fully utilize.
• Solar Charging: Solar charging might be less effective in low-light or shaded environments.

Bottom Line

The Garmin Descent G1 Solar Dive Computer is ideal for experienced divers and enthusiasts who value advanced features, durability, and battery longevity.

With its variety of diving modes, advanced navigation abilities, and additional features like GPS, it’s perfect for technical divers, cave divers, and challenging dive enthusiasts.

6. Oceanic Geo 4.0 Dive Computer

Overview

The Geo 4.0 by Oceanic is a cutting-edge dive computer that pairs functionality with style.

With enhanced features like a larger text display, Bluetooth connectivity, and dual algorithm setup, it surpasses its predecessors in the Geo series. Resembling a sports watch, its sleek design available in multiple colors makes it a versatile accessory, suitable for diving and everyday use.

Key Features

• Operating Modes: Offers four modes, enabling divers to switch between standard watch functions, recreational scuba diving, gauge mode, and free dive.
• Dual Algorithm Settings: Allows divers to switch between the liberal Pelagic DSAT and conservative Pelagic Z+, catering to their specific diving needs.
• Bluetooth Connectivity: Facilitates easy syncing of data with smart devices, firmware updates, and settings adjustments via the DiverLog+ application.

Pricing

Pros

• Display: Large, backlit display ensures easy readability underwater.
• Interface: User-friendly interface with straightforward four-button navigation.
• Automatic Features: Automatic detection when submerged in water and altitude adjustments between 3,001ft to 14,000ft.
• Battery Life: User-replaceable battery that lasts up to 300 dive hours or two years, retaining dive history even after battery replacement.

Cons

• Storage Capacity: Limited storage, capable of holding only 24 dives, requiring regular data transfers to the DiverLog+ app.
• Altitude Adjustments: Inaccurate automatic altitude adjustments at elevations higher than 14,000ft.

Bottom Line

The Geo 4.0, with its dual algorithm options and user-friendly interface, is a perfect dive computer for divers of all levels, from beginners to advanced enthusiasts.

The Pelagic Z+ algorithm is recommended for beginners, while the Pelagic DSAT is ideal for experienced divers aiming to maximize underwater time.

7. Shearwater Perdix 2 Dive Computer

Overview

The Shearwater Perdix 2, a recent addition to the Perdix line from renowned dive computer maker, Shearwater, is a versatile and reliable diving companion suitable for divers across all skill levels.

Featuring a high-resolution, full-color LCD display and compatibility with up to four tank transmitters, the Perdix 2 stands out among dive computers.

Key Features

• Diving Modes: Offers multiple diving modes, including air, Nitrox, three-gas mode, and a closed-circuit/bailout mode for rebreather diving options.
• User-friendly Interface: Allows for easy navigation and offers customizable settings for decompression information.
• Build: Boasts a durable and robust construction with a titanium bezel and scratch and impact-resistant piezo buttons.

Pricing

Pros

• Durability: Known for its robust build and titanium bezel.
• Buttons: Features scratch and impact-resistant piezo buttons.
• Vibration Feature: Adds an extra layer of safety.
• Battery: Runs on a user-replaceable battery, eliminating the need for costly service visits.

Cons

• Price: High price point may be a barrier for some.
• Complexity: May be overly complex for beginners.

Bottom Line

The Shearwater Perdix 2 Dive Computer is a prime choice for divers of all experience levels, including explorers, researchers, and technical diving instructors.

Thanks to its versatile feature set, it serves as a reliable tool for various diving types, from single tank to multiple tank setups.

8. Garmin Descent Mk2 & MK2i Dive Computer

Overview

The Garmin Descent Mk2 and Mk2i are top-tier, multi-gas dive computers that offer a robust suite of features.

These models stand out with their full-color display, GPS surface navigation, and health tracking capabilities. They cater to diving enthusiasts who demand comprehensive features from their dive computers.

Key Features

• Dive Modes: Both models offer various dive modes, including single and multi-gas, apnea, and closed-circuit rebreather.
• Display: They come with a full-color, sunlight-readable display.
• Navigation: GPS and GLONASS capabilities for surface navigation are included.
• Health Tracking: They feature advanced fitness and health tracking features.
• SubWave Sonar Technology (Mk2i only): The Mk2i features innovative SubWave sonar technology for wireless tank pressure monitoring.

Pricing

Pros

• Display: Full-color, sunlight-readable display for clear view.
• Navigation: GPS and GLONASS capabilities for precise surface navigation.
• Health Tracking: Advanced fitness and health tracking features for monitoring well-being.
• Rich Dive Modes: Offers a variety of dive modes and customization options.
• SubWave Sonar Technology (Mk2i only): Mk2i provides wireless tank pressure monitoring using SubWave sonar technology.

Cons

• Price: The models are more expensive compared to others on the market.
• Learning Curve: They may be somewhat complex for beginners due to their advanced features.

Bottom Line

The Garmin Descent Mk2 and Mk2i Dive Computers are best suited for advanced recreational divers, tech divers, and freedivers seeking comprehensive diving and fitness features.

They are also a fitting choice for those who lead an active lifestyle on land, offering rich health and fitness tracking capabilities.

Despite their complexity, these models are an attractive investment for divers looking for top-tier performance from their dive computers.

9. Cressi Leonardo Underwater Dive Computer

Overview

The Leonardo Underwater Dive Computer is a compact and high-performing dive computer manufactured by Cressi.

Known for its comprehensive feature set and user-friendly interface, this single-button device offers a single gas mode, making it a popular choice for divers.

Key Features

• Single-Button Interface: The Leonardo stands out with its single-button interface, which simplifies navigation and makes it user-friendly even for beginners.
• Dive Data: It provides vital information such as depth, dive time, and decompression status.
• User-Replaceable Battery: The battery is user-replaceable, ensuring the device’s longevity and ease of maintenance.
• Alarms: The device features audible alarms for safety alerts.
• History Mode: Users can review dive data with the history mode feature.

Pricing

Pros

• User-Friendly Interface: The single-button interface makes it easy to navigate through features.
• Comprehensive Dive Data: It displays a wide range of vital dive data.
• Battery Life: The user-replaceable battery extends the device’s lifespan.
• Safety Alerts: The audible alarms provide safety alerts to divers.
• Dive Data Review: History mode allows users to review past dive data.

Cons

• Limited Advanced Features: It does not support advanced features like multiple gas mixes.
• Data Transfer: The device lacks wireless data transfer, requiring a separate cable for log downloads.

Bottom Line

The Cressi Leonardo Underwater Dive Computer is ideal for beginners and recreational divers due to its simplicity and comprehensive features.

It offers reliability, ease of use, and valuable dive data without the complexity of higher-end models. Its user-friendly interface and affordability make it a strong contender among the best dive computers.

What Is A Dive Computer?

A dive computer is a vital piece of diving equipment designed to provide essential information to divers during their underwater expeditions.

It typically displays data such as depth, time, ascent rate, and decompression status, among other things.

With advancements in technology, the best dive computers, like the Garmin Descent G1 Solar and the Oceanic Geo 4.0, now come with additional features such as GPS navigation, wireless data transfer, solar charging capabilities, and compatibility with multiple gas mixes.

They cater to all diving skill levels, from beginners to advanced enthusiasts.

Dive Computer Basics: Going Beneath the Surface

Now that we’ve checked out the top 9 dive computers, let’s dive into how these nifty gadgets actually work.

From measuring depth and time to tracking ascent rates and nitrogen levels, dive computers have got you covered. We’ll also talk about why they’re crucial for safety and efficiency.

We’ll also give you the lowdown on key features like easy-to-read screens, reliability, and battery life.

How Does a Dive Computer Work?

A dive computer, the lifeline of any scuba enthusiast, works in real-time to ensure a safe and adventurous dive. Like a personal assistant submerged in water, it measures and tracks essential diving metrics.

But what makes the best dive computers stand out? Let’s delve into the nitty-gritty of the metrics they measure.

Key Metrics Measured by the Best Dive Computers:

1. Depth and Time: Dive computers use an integrated pressure sensor to determine water pressure, converting this into depth readings. They also measure dive time, starting the second you submerge and ending when you resurface.
2. Ascent Rate: Ascent rate is crucial to prevent decompression sickness, a dangerous condition caused by surfacing too quickly. The best dive computers alert divers who are ascending too rapidly, helping maintain a safe return speed.
3. Nitrogen Levels: When diving, nitrogen from your breathing gas gets absorbed by your body. Excess nitrogen can lead to decompression sickness. Thus, dive computers use complex algorithms to calculate your no-decompression limit – the safe time you can spend at a certain depth without needing decompression stops.

In essence, the best dive computer is your underwater guardian.

It tracks and displays crucial information, from your depth and dive duration to your ascent rate and nitrogen levels, making every dive a safe and memorable adventure.

So next time you venture into the ocean depths, remember, your best companion is your dive computer!

Why Are Dive Computers Important?

A dive computer is much more than just a piece of advanced technology. It is a lifeline, a safety net, and an efficiency tool rolled into one for scuba divers.

But what exactly makes it so vital for diver safety and efficiency? Let’s dive right in!

Enhancing Diver Safety and Efficiency: Why Dive Computers Are Essential

1. Decompression Management: The best dive computers calculate the amount of time divers can safely spend at different depths. They determine your no-decompression limit and manage your ascent rate, significantly reducing the risk of decompression sickness – a potentially fatal condition.
2. Real-time Depth and Time Monitoring: Dive computers provide real-time depth and time tracking, allowing divers to manage their air supply efficiently. This real-time data can be critical in avoiding dangerous situations like running out of air underwater.
3. Nitrogen Absorption Tracking: Dive computers monitor the amount of nitrogen your body absorbs during a dive. If levels become dangerously high, an alarm will alert you, allowing you to ascend and avoid decompression sickness.
4. Dive Log and Planning: Many dive computers also include a logbook and planning feature. They record your dive profile, which can be reviewed later for safety checks and improved dive planning. This feature greatly increases diving efficiency.

In conclusion, the role of a dive computer in enhancing diver safety and efficiency cannot be overstated.

With real-time monitoring, decompression management, nitrogen absorption tracking, and dive planning tools, it’s clear that dive computers are an indispensable part of any diver’s gear.

Whether you’re a novice or an experienced diver, having a reliable dive computer is paramount to ensure a safe and exciting underwater adventure. So, gear up, dive in, and let your dive computer take care of the rest!

Key Features to Look for in a Dive Computer

Dive computers are as varied as the underwater environments they’re used in. So, what makes one model better than the other?

When looking to invest in a dive computer, it’s important to focus on key features that affect the functionality and user experience.

Let’s look at some of these crucial elements: screen readability, reliability, and battery life.

Key Features of a Dive Computer:

1. Screen Readability: When you’re dozens of feet underwater, screen readability can mean the difference between a safe dive and a risky situation. The best dive computers have clear, bright displays that are easy to read in varying light conditions. Look for high-contrast screens and adjustable backlight settings. Some even come with full-color, high-resolution displays for optimum visibility.
2. Reliability: A dive computer should be as reliable as your buddy diver. It needs to withstand the pressures of the deep and deliver accurate data every time. Read reviews and choose a computer with a proven track record. The best dive computers are built with durable materials, have strong water seals, and offer reliable performance dive after dive.
3. Battery Life: The last thing you want while scuba diving is for your computer to run out of juice. A long battery life ensures that your device can handle multiple dives without needing a recharge or battery replacement. Some high-end models also feature user-replaceable batteries, a valuable feature that extends your dive computer’s lifespan.

In summary, the best dive computer is one that balances readability, reliability, and battery life effectively.

These key features play a vital role in enhancing your scuba diving experience, ensuring your safety, and allowing you to focus on the thrill of exploration.

Remember, a good dive computer is not just a gadget, but a trusted companion on your underwater adventures.

Types of Dive Computers

Dive computers come in various forms, and choosing the right type largely depends on your diving needs and personal preferences.

Let’s dive into two main categories: wrist vs. console dive computers, and air-integrated vs. non-air-integrated dive computers.

Wrist vs. Console Dive Computers

Wrist Dive Computers

Pros:

• Easy accessibility
• Freedom of movement
• Lightweight and comfortable

Cons:

• Smaller screen size
• Risk of misplacement

Wrist dive computers offer comfort and mobility, making them a popular choice among divers. However, their smaller screens might compromise readability, and they could be easy to lose if not properly secured.

Console Dive Computers

Pros:

• Larger screens enhance readability
• Integrated into gear, less likely to be misplaced

Cons:

• Heavier and bulkier
• Checking data may be less convenient

Console dive computers are part of your diving gear setup. They provide better screen readability but might be less convenient due to their weight and bulk.

Air-Integrated vs. Non-Air-Integrated Dive Computers

Air-Integrated Dive Computers

Pros:

• Real-time tracking of air consumption
• Enhanced safety and dive planning

Cons:

• More expensive
• Requires more maintenance

Air-integrated dive computers are advanced models that track your air supply, enhancing safety and planning. However, they come with a higher price tag and demand more maintenance.

Non-Air-Integrated Dive Computers

Pros:

• Less expensive
• Lower maintenance

Cons:

• No information on air supply
• Requires a separate Submersible Pressure Gauge (SPG)

Non-air-integrated dive computers are budget-friendly and simple to maintain. However, they don’t provide air supply data, requiring a separate tool.

In conclusion, there’s a dive computer for every diver’s needs and preferences. Make your choice based on your diving style, budget, and the most important features.

Choosing the Best Dive Computer For You

Selecting the ideal dive computer can seem daunting given the variety of options available. However, when it comes down to making a choice, it all circles back to your personal needs, preferences, and future diving ambitions.

Personal Needs and Preferences:

Your diving habits and goals play a critical role in your selection. Are you a recreational diver, or do you have aspirations of deep-sea or technical diving? Is this your first dive computer or are you looking to upgrade?

The best dive computer for you should align with your diving frequency, depth preferences, and future diving plans.

Furthermore, consider your comfort and convenience. Would you prefer the compact size of a wrist computer, or does the larger screen of a console model appeal more to you?

Investment vs. Affordability:

While cost is an essential factor, it’s crucial to balance affordability with feature-richness and quality.

A good quality dive computer is an investment in your safety and the longevity of your diving hobby or career.

While the upfront cost might be higher, the long-term benefits of enhanced features, reliability, and durability are well worth it.

Importance of Training:

While a dive computer is an essential tool, remember it’s just that – a tool.

It does not replace the necessity for proper training and understanding of diving safety rules.

A dive computer can guide and assist you, but the onus of safety still lies in your hands. Regularly update your training, and never ignore the safety guidelines.

In summary, choosing the best dive computer involves understanding your unique diving needs, considering the balance between cost and quality, and recognizing the importance of proper training.

Always remember, a well-informed diver is a safe diver.

Wrapping Up

The journey through the world of dive computers underlines one key fact: choosing the best dive computer significantly enhances your diving experience and safety.

The proper dive computer not only makes your adventures underwater more rewarding but also instills confidence, knowing you have a reliable companion that’s continuously looking out for your well-being.

Whether it’s a wrist or console model, an air-integrated dive computer, or non-air-integrated one, the best dive computer is one that resonates with your diving style, goals, and budget.

Your ideal dive computer should feel like an extension of you, blending effortlessly into your diving routine, and providing the vital information you need.

As you prepare for your next diving adventure, remember that the underwater world is full of wonder and mystery.

Equip yourself with the best dive computer that fits your needs and plunge into the depths with certainty and excitement.