Best Ssi Scuba Apps

204+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated May 2026

Every iPhone needs a few good ssi scuba apps. We benchmark 204+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Ssi Scuba

MySSI#1

MySSI by SSI International GmbH

Editor's Choice
⚽ Sports
4.9😊(850 ratings)
FreeAds
MySSI screenshot 1
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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
PADI#2

PADI by PADI Americas, Inc.

Strong Contender
💼 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+#3

Scuba Diving Computer Oceanic+ by Huish Outdoors, LLC

Snorkel & Dive Log Tracker
Worth Considering
⚽ Sports
4.4😐(4.4K ratings)
FreeAdsIn-App Purchases
#62in 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

More Ssi Scuba apps to explore

4
SDI TDI ERDI PFI
SDI TDI ERDI PFI
SDI TDI ERDI PFI
tdisdi.com Mobile App
Free

This app serves as a comprehensive diving companion, allowing users to log dives, manage digital certifications, update personal profiles, and find dive centers and instructors globally. It also provides access to exclusive content from multiple diving agencies.

Dive log with offline supportDigital certification access and sharingPersonalized profile management
⚽ Sports
(140)
free
5
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
6
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
7
Buoyancy Calc
Buoyancy Calc
Buoyancy Calc
Determine your required weight
Free

Calculate the optimal weight for scuba diving based on environmental factors. Input your weight, water type, tank, and exposure suit to get a suggested weight for neutral buoyancy.

Calculate suggested diving weightAdjust for water typeAdjust for tank type
🔧 Utilities
(25)
free
8
NAUI
NAUI
NAUI
NAUI Worldwide ® Mobile App
Free

Access your NAUI certifications, training materials, and dive logs on your mobile device. Find local dive stores, manage students, and utilize dive planning tools. Stay updated with the latest news and events from NAUI Worldwide.

Access CORE profile and certificationsDigital C-Cards and achievementsLocate NAUI dive stores and professionals
📚 Education
(47)
free
9
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
10
Scuba Diving Logbook Octologs
Scuba Diving Logbook Octologs
Scuba Diving Logbook Octologs
Divelogs for PADI SSI & NAUI
Free

Log your scuba diving adventures with detailed stats, photos, and dive buddy connections. Explore your dive history on a global map and analyze performance with advanced analytics. Works offline and syncs automatically.

Complete dive logging with GPS and depth profilesAdvanced dive analytics and performance trackingDive buddy network and in-app messaging
⚽ Sports
(4)
freemium
11
Seabook: Fish Identifier & Log
Seabook: Fish Identifier & Log
Seabook: Fish Identifier & Log
Dive: Scuba DivingㆍSnorkeling
Free

Identify marine life with AI-powered photo recognition and explore detailed species information. Log your dives with comprehensive data, track conditions, equipment, and sightings. Organize your discoveries into personal collections and access information offline.

AI fish identification by photoComprehensive dive logbookPersonalized marine life collections
📚 Education
(197)
free with in-app purchases
12
SSI iBoard Pro
SSI iBoard Pro
SSI iBoard Pro
Securities trading and more
Free

Trade equities, corporate bonds, and derivatives with real-time charts and market data. Manage your portfolio, set personalized alerts, and conduct hassle-free cash transactions. Explore diverse investment options to expand your financial horizon.

Buy and sell equities, bonds, and derivativesReal-time technical charts and market dataPersonalized watchlists and alerts
💰 Finance
(97)
free
13
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
14
Dyver: Dive. Log. Share.
Dyver: Dive. Log. Share.
Dyver: Dive. Log. Share.
Bring dive data to the surface
Free

Easily track and record your underwater adventures with detailed digital dive logs. This app simplifies dive data management, making it fun and safe for enthusiasts of all levels. Connect with a global community of divers and share your experiences.

Detailed dive log creationRecord dive data (depth, time)Social platform for sharing dives
⚽ Sports
(110)
free with in-app purchases
15
DecoPlanner mobile
DecoPlanner mobile
DecoPlanner mobile
by Global Underwater Explorers, INC.
Free

Plan complex dive profiles using advanced decompression models. Track multiple gases, manage dive buddies, and visualize dive data with detailed graphs. Choose the version that suits your diving certification level.

Open/Closed/Passive Semi-Closed Circuit planningZH-L16 / VPM-B decompression modelsGas tracking for multiple gases and dive buddies
⚽ Sports
(0)
free
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
Diviac - Scuba diving logbook
Diviac - Scuba diving logbook
Diviac - Scuba diving logbook
by PADI Travel AG
Free

Log your scuba dives with this cloud-based digital logbook. It features a marine life database, social sharing, and direct dive computer uploads. Store your dive memories, connect with other divers, and plan your next underwater adventure.

Cloud-based dive loggingDirect dive computer uploadMarine life database
⚽ Sports
(18)
free
18
Dive Calculator
Dive Calculator
Dive Calculator
by Zanthic Automation Inc.
Free

This app provides comprehensive scuba diving calculations, including basic, nitrox, and trimix gas mixes. It supports both metric and imperial units, and allows for gas volume and cost calculations for blending and top-ups. Results can be easily copied for documentation.

Basic, Nitrox, and Trimix calculationsGas volume and cost calculationsTop-up and bleed down mix calculations
⚽ Sports
(24)
free
19
FORM Swim
FORM Swim
FORM Swim
A Game-Changing Way to Swim
Free

This app acts as an underwater coach, providing real-time visual feedback through smart goggles to improve swimming technique and performance. It offers guided workouts, open water navigation, and detailed post-swim analysis, syncing data with popular fitness platforms.

Real-time in-goggle coachingOpen water digital compassGuided pool workouts
💪 Health & Fitness
(3.4K)
free with in-app purchases
20
ScubaPlan: Diving Community
ScubaPlan: Diving Community
ScubaPlan: Diving Community
Your perfect dive log
Free

Plan, log, and manage your dives with this comprehensive tool. Features include precise gas calculations, gear management, and community sharing. It also offers dive computer integration and weather forecasts for safe and confident diving.

Dive planning with gas calculationsLog dives with photos and videosImport dives from computers
⚽ Sports
(4)
free with in-app purchases