Digidive vs Submersion Dive Log

Whether you're a seasoned diver or just beginning your journey beneath the waves, our app is designed to enhance your diving experience and connect you with a community of like-minded ocean lovers. Dive in with us and explore the wonders of the sea, one dive at a time. WHO WE ARE We at Digidive are passionate scuba divers who find joy in exploring the underwater world, whether it's shallow diving with vibrant fish or delving into the depths of wrecks and caves. Our adventures have taken us to stunning locations, and our love for the ocean has only grown with each dive. OUR GOAL Recognizing the need for a comprehensive and user-friendly dive log, we set out to create an app that caters to all ocean enthusiasts—scuba divers, free divers, and snorkelers alike. Traditional paper-based dive logs have their limitations; they are difficult to search and lack the interactive features modern technology can provide. DIGIDIVE APP Our app allows you to seamlessly track your dives, capturing every detail of your underwater experiences. Log your dive sites, conditions, marine life encounters, and more, all in one easily accessible place. Beyond just recording your past adventures, our app also features a "Wish List" function, enabling you to set and keep track of your dream destinations. Our FREE trial provides basic access to all features. Then, if you like what you see, you can upgrade to see your full dive log history and to upload as many dive photos and certifications as you like. Digidive Pro ($1.99 "Full Access - Monthly" and $9.99 "Full Access - Annual") subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Payment will be charged to iTunes Account at confirmation of purchase. Account will be charged for renewal within 24 hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that service, where applicable. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.digidive.info/privacy

Submersion is a comprehensive, open-source dive log for recreational and technical divers. Track dives, manage gear, analyze trends, and export to open formats. No subscriptions, no proprietary lock-in, no cost. COMPLETE DIVE LOGGING • Log unlimited dives with depth, duration, temperature, and conditions • Track entry/exit times with automatic surface interval calculation • Rate dives, add notes, and organize with custom tags • Record visibility, current, waves, weather, and water type • Support for 20+ dive types including night, wreck, cave, and technical DIVE COMPUTER INTEGRATION • Connect via Bluetooth or USB to well known dive computer models • Import dive profiles with one tap—no cables to your computer needed • Smart duplicate detection prevents importing the same dive twice • Supported brands: Shearwater, Suunto, Mares, Aqualung, Garmin, Oceanic, and many more ADVANCED PROFILE ANALYSIS • Interactive depth/temperature charts with zoom and pan • Bühlmann ZH-L16C decompression algorithm with gradient factors • Real-time NDL, ceiling, and tissue loading visualization • Ascent rate monitoring with color-coded warnings • O₂ toxicity tracking (CNS%, OTU, ppO₂) for nitrox and trimix divers • SAC/RMV calculation and trend analysis TECHNICAL DIVING READY • Multi-tank support with unlimited cylinders per dive • Full gas mix tracking: Air, Nitrox, Trimix, and pure O₂ • Gas switch markers on dive profiles • MOD, END, and EAD calculations built-in • Tank presets for quick logging (AL80, HP100, Steel 12L, and more) GEAR & EQUIPMENT MANAGEMENT • Track all your gear: regulators, BCDs, computers, suits, and more • Service history with reminders when maintenance is due • Create equipment sets for different diving configurations • Weight calculator based on exposure suit and conditions DIVE SITES & MAPS • Build your personal dive site database with GPS coordinates • Interactive map with clustered markers showing all your sites • Capture location from your phone or pick from the map • Automatic reverse geocoding fills in country and region • Track site details: depth range, difficulty, hazards, and access notes MARINE LIFE TRACKING • Log species sightings with counts on each dive • Pre-loaded database with common species • Build your personal life list over time BUDDIES & CERTIFICATIONS • Manage your dive buddy list with certification levels • Track your own certifications with expiry reminders • Associate buddies and instructors with each dive • Log dive centers and boat names STATISTICS & INSIGHTS • Total dives, bottom time, and depth records • SAC trends over months and years • Temperature preferences by season • Dive frequency charts and gas mix distribution • Deepest, longest, coldest, and warmest dive records CLOUD SYNC & BACKUP • Sync across all your devices via iCloud or Google Drive • Local-first design works completely offline • Export to UDDF, CSV, or PDF • Import from other dive log apps PRIVACY FOCUSED • No account required—start logging immediately • Your data stays on your device (unless you enable cloud sync) • No ads, no tracking, no subscriptions • Open source: inspect the code yourself on GitHub Whether you're a new diver logging your first open water dives or a technical diver tracking complex trimix profiles, Submersion adapts to your needs. Join the growing group of divers who trust Submersion to preserve their dive information. Questions or feedback? Visit our GitHub repository.