Comparison

Skoova vs Submersion Dive Log

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Skoova

Log your dives digitally, discover new underwater locations, and connect with a global community of fellow divers. Share your adventures, post photos, and manage your profile seamlessly. This app is designed for the dive community, incorporating user feedback for continuous improvement.

Highlights
  • Digital dive logs and cards
  • Explore dive sites
  • Connect with divers socially
  • Post updates and photos
  • Manage account and profile
  • Product feedback tool
Features
Read full description

Dive deeper with Skoova – the all-in-one app for divers. Log every dive digitally, explore new sites, and connect with fellow divers worldwide. Key features: -Digital dive logs and cards always at your fingertips -Explore dive sites and share your adventures -Post updates, photos, and connect socially with divers -Manage your account and profile with ease Skoova is built for the dive community, with innovation and feedback at its core. Have ideas? Share them directly in the app through the product feedback tool. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Submersion Dive Log

This app is a comprehensive, open-source dive log for recreational and technical divers. It allows users to track unlimited dives, manage gear, analyze trends, and export data. The app offers dive computer integration, advanced profile analysis, and detailed logging for various dive types and conditions.

Highlights
  • Log unlimited dives with detailed conditions
  • Dive computer integration
  • Advanced profile analysis
  • Technical diving support
  • Gear and equipment management
  • Dive site database with maps
  • Marine life tracking
Features
Read full description

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.

Screenshots

Skoova4 screens
Submersion Dive Log4 screens

Verdict

The call

The clearest difference is in-app purchases: Submersion Dive Log at none against Skoova's 3. Submersion Dive Log also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). Skoova's advantage is rating (5.0 vs 4.6). On price there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Skoova sells 3 in-app purchases, starting at $4.99 per month. Submersion Dive Log asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Skoova holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 3 and 12 respectively.

UpkeepUpdate frequency

Skoova ships an update every 2 months, Submersion Dive Log weekly. The most recent releases landed on October 15, 2026 and October 31, 2026 respectively.

Scorecard8 real differences · 2 level
Skoova versus Submersion Dive Log: the parameters behind the verdict, then further details
ParameterSkoovaSubmersion Dive Log
PriceFreeFree
Rating5.0 (3 ratings) — better4.6 (12 ratings)
Positive reviews—66.7% of reviews
Number of ratings312 — better
Update frequencyEvery 2 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationAd-supportedFree — better
DevicesiPhoneiPhone, iPad, iPod, Mac — better
Requires iOS17.615.0 — better
Further details — not scored
Size48 MB167 MB
Age rating4+4+
DeveloperDeep Blue Development LLCEric Griffin

Customer experience

Skoova

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Submersion Dive Log

All ratings12 ratings
Positive83.3%
Neutral8.3%
Negative8.3%
Written reviews6 reviews
Positive66.7%
Neutral16.7%
Negative16.7%

In-app purchases

3 purchases

Skoova

Subscriptions2
  • Skoova Pro (Monthly)$4.991 Month
  • Skoova Pro (Annual)$29.991 Year
One-time1
  • Skoova Pro (Lifetime)$79.99
None

Submersion Dive Log

No in-app purchases

Questions

Is Skoova free?
Skoova is free to download, with in-app purchases available.
Is Submersion Dive Log free?
Submersion Dive Log is free to download, with no in-app purchases.
Which has better reviews, Skoova or Submersion Dive Log?
Skoova is rated higher. Skoova averages 5.0 out of 5 from 3 ratings, while Submersion Dive Log averages 4.6 from 12 ratings.
Do Skoova or Submersion Dive Log have ads?
Skoova shows ads; Submersion Dive Log does not.
Which is updated more often, Skoova or Submersion Dive Log?
Skoova ships an update every 2 months, and Submersion Dive Log weekly. Most recently, Skoova was updated on October 15, 2026 and Submersion Dive Log on October 31, 2026.

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