A Guide to Purchasing a Dive Computer
Choosing the right dive computer can be a confusing task, especially with so many options available on the market. In recent years, the Apple Watch Ultra has emerged as a competitor to traditional dive computers from companies like Suunto, Garmin, and Oceanic. In this guide, we’ll compare the features, pros, and cons of the Apple Watch Ultra and traditional dive computers to help you make an informed decision when purchasing your next dive companion.
Apple Watch Ultra

Pros
- Sleek design and multipurpose functionality for everyday use: The Apple Watch Ultra features a slim, lightwe
- ight design that makes it comfortable for daily wear. It also offers a range of smartwatch functions, such as fitness tracking, notifications, and app integration, providing convenience beyond diving activities.
- Integration with Apple ecosystem and fitness tracking features: Apple Watch Ultra seamlessly integrates with the Apple ecosystem, syncing with your iPhone and other Apple devices. It also provides a comprehensive suite of fitness tracking features, including heart rate monitoring, step counting, and workout tracking.
- The Oceanic+ app on Apple Watch Ultra and the companion app for iPhone provide all of the key features of an advanced dive computer, robust dive planning, and a comprehensive post-dive experience.
- Regular software updates and support from Apple: Apple regularly releases software updates for its devices, ensuring that the Apple Watch Ultra stays current with new features and bug fixes. Additionally, Apple offers customer support for troubleshooting and warranty-related issues.
Cons
- Limited dive-specific features compared to traditional dive computers: The Apple Watch Ultra offers basic dive features such as depth, dive time, and ascent rate monitoring but lacks more advanced features found in traditional dive computers, such as decompression calculations, gas mix management, and dive planning tools.
- Dependency on a compatible iPhone for certain functions: Some features of the Apple Watch Ultra, like GPS tracking and app synchronization, require a nearby iPhone for full functionality. This could be a limitation for divers who do not own an iPhone or prefer not to bring their phone on dive trips.
- Battery life may be insufficient for multiple dives in a day: The Apple Watch Ultra’s battery life may not last long enough for multiple dives in a single day, requiring you to recharge the device between dives, which can be inconvenient during dive trips.
Traditional Dive Computers
Suunto

Pros:
- Robust construction and durability designed for diving: Suunto dive computers are specifically designed for diving, featuring robust construction and materials that withstand harsh underwater conditions, providing reliability and durability for years of diving adventures.
- Comprehensive dive-specific features and customizable settings: Suunto dive computers offer a wide range of dive-specific features, such as decompression calculations, gas mix management, dive planning tools, and customizable settings, allowing divers to tailor their dive computer to their specific needs and preferences.
- Wireless air integration and compatibility with multiple gas mixes: Advanced Suunto models support wireless air integration, enabling divers to monitor their air consumption and tank pressure without the need for a separate pressure gauge. They also support multiple gas mixes, such as nitrox and trimix, which is essential for technical diving.
Cons:
- May be larger and bulkier compared to Apple Watch Ultra: Suunto dive computers tend to be larger and bulkier than the Apple Watch Ultra, which may make them less comfortable for everyday wear or during travel.
- Limited everyday wearability and functionality outside of diving: While Suunto dive computers excel in diving-specific features, they lack the smartwatch functions and general wearability offered by the Apple Watch Ultra, making them less.
Garmin

Pros:
- Combination of dive-specific features and multisport functions: Garmin dive computers offer a unique blend of dive-specific features and multisport functions, such as GPS navigation, activity tracking, and heart rate monitoring, making them versatile companions for both diving and other outdoor activities.
- GPS and GLONASS support for accurate navigation: Garmin dive computers support both GPS and GLONASS satellite systems, ensuring accurate navigation and location tracking during your dives and surface intervals.
- Long battery life and compatibility with multiple gas mixes: Garmin dive computers have long-lasting battery life, suitable for multiple dives in a day or extended dive trips. They also support multiple gas mixes, catering to recreational and technical divers alike.
Cons:
- May be expensive for divers on a budget: Garmin dive computers, particularly the advanced models, can be quite pricey, which may not be suitable for divers on a budget or those just starting out in the sport.
- Limited everyday wearability compared to Apple Watch Ultra: While Garmin dive computers offer more multisport functions than other traditional dive computers, they still lack the sleek design and seamless integration with everyday life provided by the Apple Watch Ultra.
- Requires regular software updates and maintenance: Garmin dive computers require regular software updates to maintain optimal performance and access new features. Users must also maintain their devices through regular care and maintenance to ensure longevity.
Oceanic

Pros:
- User-friendly interface and easy-to-read display: Oceanic dive computers are known for their intuitive interface and easy-to-read displays, making them an excellent choice for divers who prioritize simplicity and ease of use.
- Dual algorithm support for conservative or liberal dive profiles: Oceanic dive computers offer dual algorithm support, allowing divers to choose between a more conservative or liberal dive profile, depending on their experience level and personal preferences.
- Affordable options for entry-level divers: Oceanic offers a range of affordable dive computers, making them an accessible option for entry-level divers or those looking for a budget-friendly option.
Cons:
- May have fewer advanced features compared to other brands: Oceanic dive computers may lack some advanced features found in other brands, such as wireless air integration or GPS navigation, which could be a limitation for some divers.
- Limited smartwatch and everyday functionality: Like other traditional dive computers, Oceanic devices have limited functionality outside of diving, making them less versatile for everyday wear and non-diving activities compared to the Apple Watch Ultra.
- Bulky design may not be suitable for all divers: Oceanic dive computers can be bulkier than the Apple Watch Ultra, which may make them less comfortable for everyday wear or during travel.
Making the Right Choice for Your Diving Needs
When choosing a dive computer, it’s essential to consider your specific diving needs and preferences. The Apple Watch Ultra offers a sleek design and multipurpose functionality that may appeal to casual divers or those seeking a stylish everyday smartwatch. However, traditional dive computers from Suunto, Garmin, and Oceanic provide more comprehensive dive-specific features, durability, and customization options.
Ultimately, the best dive computer for you depends on your diving habits, budget, and desired features. Take the time to research and compare different models too.
