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Best Scuba Diving Decompression Apps & Games

195+ iOS apps & games curated and reviewed

4.5 avg rating
20 free apps & games
Updated May 2026

The best scuba diving decompression apps on iPhone average 4.5★ across 195+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Scuba Diving Decompression

PADI#1

PADI by PADI Americas, Inc.

Editor's Choice
💼 Business
4.9😐(46K ratings)
Free
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This app provides comprehensive scuba diving resources, allowing users to learn, log dives offline, verify certifications, and discover new adventures. Stay connected with the diving community and book your next underwater experience.

What We Love

  • 👍 Convenient to have all dive info in one spot
  • 🚀 Great for learning and revisiting hand signals
  • 👍 Helpful for organizing PADI certifications
  • 👍 Fantastic time for Discover Scuba Diving

Room to Improve

  • 🐛 Buttons don't work, inconsistent functionality
  • 🐛 Logbook doesn't work, can't log dives
  • 🐛 eCards get deleted, can't access offline
Scuba Diving Computer Oceanic+#2

Scuba Diving Computer Oceanic+ by Huish Outdoors, LLC

Snorkel & Dive Log Tracker
Strong Contender
⚽ Sports
4.4😐(4.4K ratings)
FreeAdsIn-App Purchases
#63in Sports
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Transform your Apple Watch Ultra into a comprehensive dive computer for scuba, freediving, and snorkeling. Explore new locations with heatmaps, track your routes, organize underwater media, and share your adventures securely. Plan dives, monitor real-time data, and stay safe with advanced algorithms.

What We Love

  • 🚀 Bright, clear display
  • 👍 Intuitive and easy to use
  • 🚀 Detailed dive logs and analytics
  • 👍 Helpful safety alerts and vibration feedback

Room to Improve

  • 🔒 Subscription-based model
  • 🐛 Syncing issues between watch and phone
  • 🐛 Unreliable dive mode activation
MySSI#3

MySSI by SSI International GmbH

Worth Considering
⚽ Sports
4.9😊(850 ratings)
FreeAds
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Access digital training materials, certifications, and a digital logbook for various diving disciplines. Track dive progress, manage gear, and earn ratings. Connect with dive centers and stay updated on industry news and events.

What We Love

  • 🚀 Easy to use
  • 🚀 Convenient for logging dives
  • 🚀 Helpful for training and learning
  • 🚀 Comprehensive features

Room to Improve

  • 🐛 Buggy or glitchy
  • 🐛 Difficulty adding dive sites
  • 🐛 Inconsistent metric/imperial settings

More Scuba Diving Decompression apps to explore

4
Dive+ World's Diving Community
Dive+ World's Diving Community
Dive+ World's Diving Community
Color correction & dive logs
Free

Enhance your underwater photos and videos with one-tap color correction. Connect with a global community of divers, share experiences, and access valuable diving information. Explore dive sites and meet fellow enthusiasts worldwide.

Underwater color correctionGlobal diver communityDive site information
⚽ Sports
(2.5K)
free with in-app purchases
5
Breathe - Smart Scuba Dive Log
Breathe - Smart Scuba Dive Log
Breathe - Smart Scuba Dive Log
A better log for scuba divers.
Free

This app digitizes scuba diving logs, replacing traditional paper books. It allows divers to record detailed information about each dive, including photos, videos, and equipment, with both free and premium features available.

Digital dive loggingMulti-depth profilesAdd photos and videos
⚽ Sports
(292)
freemium
6
DIVEROUT - Dive Computer
DIVEROUT - Dive Computer
DIVEROUT - Dive Computer
Scuba, FreeDiving, Snorkeling
Free

This app transforms your Apple Watch into a comprehensive dive computer for scuba, freediving, and snorkeling. It offers AI-powered color correction for underwater photos and videos, advanced freediving training tools, and a community for connecting with other divers.

Apple Watch dive computer functionalityAI underwater photo/video color correctionFreediving training and testing
⚽ Sports
(10)
free with in-app purchases
7
Scuba Dive Log by Zentacle
Scuba Dive Log by Zentacle
Scuba Dive Log by Zentacle
Scuba Dive Log for PADI, NAUI
Free

Discover and log scuba diving, freediving, and snorkeling spots worldwide. This app helps you find dive sites, record dive details, and collect digital stamps from participating shops. It's a digital replacement for paper logs, compatible with data from various dive computers and smartwatches.

Discover dive and snorkel spots globallyLog dive details and notesFind dive buddies
✈️ Travel
(16)
freemium
8
Garmin Dive™
Garmin Dive™
Garmin Dive™
by Garmin International
Free

This app serves as a comprehensive diving logbook and planning tool. It automatically records dive data, tracks gas consumption, and supports various diving disciplines. Users can also discover dive sites, manage gear, and share experiences with a community.

Automatic dive loggingGas consumption trackingSupport for multiple dive types
⚽ Sports
(835)
free
9
Diving logbook-Dive Number
Diving logbook-Dive Number
Diving logbook-Dive Number
the simplest logbook divers
Free

Easily record your scuba dives with an unlimited logbook. Track dive sites, conditions, equipment, and personal notes. Connect with dive partners and view comprehensive statistics.

Unlimited dive entriesExtensive dive site databaseDetailed dive condition logging
⚽ Sports
(23)
free with in-app purchases
10
PADI Adventures: book diving
PADI Adventures: book diving
PADI Adventures: book diving
Diving. Snorkeling. Courses.
Free

Easily book scuba diving and snorkeling trips, as well as courses, anywhere in the world. Find dive centers, compare prices and schedules, and secure your spot with online booking and payment. Save your preferences for quick checkout and get notified about upcoming trips from your favorite centers.

Worldwide online booking for fun divesBook diving and snorkeling coursesCompare dive center prices and schedules
✈️ Travel
(61)
free
11
Diving Simulator 2020
Diving Simulator 2020
Diving Simulator 2020
Best diving simulator
Free

Experience the underwater world with this free diving simulator. Explore vibrant reefs, discover sunken ships, and encounter diverse marine life, including whales and sharks. Features detailed graphics and multiple diving locations.

First diving simulator for mobileExplore reefs and sunken shipsSee amazing marine life
🎮 Games
(1.2K)
free
12
Apnea Freediving Exercises
Apnea Freediving Exercises
Apnea Freediving Exercises
Breathe Hold Stamina Training
Free

Enhance your freediving, apnea, and diving abilities with a four-week training program. This app helps you increase breath-hold time, dive deeper, and explore more of the underwater world. Regular practice improves your apnea skills and overall diving performance.

Four-week training programCustomized to current breath-holdIncrease breath-hold time
💪 Health & Fitness
(2.9K)
free with in-app purchases
13
Apnea Trainer
Apnea Trainer
Apnea Trainer
Hold your breath longer
Free
$29.99 | 100% OFF

Train to hold your breath longer for freediving and snorkeling. This app uses a yoga-based technique to strengthen your diaphragm, increasing lung capacity and reducing carbon dioxide. Prepare for amazing underwater experiences with guided breathing exercises and custom settings.

Improve free diving timePranayama mode for calm preparationCustom time settings for advanced users
⚽ Sports
(1.6K)
free
14
Scuba Dive Signals
Scuba Dive Signals
Scuba Dive Signals
Communicate underwater
Free

Access a comprehensive list of underwater hand signals for safe scuba diving communication. Includes a quiz feature to test your knowledge of signals recognized by major training agencies.

List of recognized dive hand signalsSignals from PADI, NAUI, SSIQuiz feature to test knowledge
⚽ Sports
(3)
free
15
Alert Diver
Alert Diver
Alert Diver
by Divers Alert Network
Free

Explore dive industry insights, research, and safety information. Discover underwater photography, travel destinations, and marine environmental topics. This app provides valuable content for divers and enthusiasts.

Dive industry researchMedical informationDive safety guidelines
⚽ Sports
(4)
free with in-app purchases
16
Deep Tools
Deep Tools
Deep Tools
Plan smarter. Dive safer.
Free

This comprehensive dive toolkit helps recreational, advanced, and technical divers plan dives, log underwater adventures, and blend gases. It offers advanced planning tools, dive computer import, and essential calculations for safe and efficient diving.

Advanced Deco PlannerDive Log with Shearwater importGas Blender for Trimix/Nitrox
🔧 Utilities
(92)
freemium
17
Scuba Diving Swimming Sim
Scuba Diving Swimming Sim
Scuba Diving Swimming Sim
Deep Sea Diving Simulator 2021
Free

Explore underwater worlds, hunt for treasures, and experience realistic scuba diving. This game offers a chance to learn diving and swimming skills in a safe, virtual environment, complete with marine life and ocean challenges.

Deep sea explorationTreasure huntingRealistic underwater physics
🎮 Games
(18)
free with in-app purchases
18
Halcyon Dive Systems - Diving
Halcyon Dive Systems - Diving
Halcyon Dive Systems - Diving
Manage Dive Gear, Share Dives
Free

This app helps divers log, track, and share their underwater experiences. It offers integration with dive computers, personalized settings, and a community forum for connecting with other divers.

Symbios integration for dive computer settingsDetailed dive logging and progress trackingSocial logbook for sharing dive stories
⚽ Sports
(8)
ad-supported
19
Bed Diving
Bed Diving
Bed Diving
Parkour in the house!
Free

Experience a unique diving action game where you leap into bed. Test your hand-eye coordination and reflexes to navigate dreamscapes without falling out. Get ready for an exciting challenge.

Bed diving gameplayParkour-inspired movementHand-eye coordination challenges
🎮 Games
(14K)
ad-supported
20
DeeperBlue.com
DeeperBlue.com
DeeperBlue.com
Freediving & Scuba News Daily
Free

Stay informed about freediving, scuba diving, ocean advocacy, and diving travel with daily news, in-depth articles, and unbiased reviews. Access ultimate guides, watch videos, and engage with a passionate community.

Daily diving journalismLive news notificationsIn-depth feature articles
⚽ Sports
(61)
free

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