Best Scuba Diving Decompression Apps

243+ iOS apps curated and reviewed

4.1 avg rating
18 free apps
Updated August 2026

The best scuba diving decompression apps on iPhone average 4.1★ across 243+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Scuba Diving Decompression Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Diveplanner Tec & RecDiveplanner Tec & RecFree3.1★ (7)NoYesAug 2026
2DecoPlanner mobileDecoPlanner mobileFreeNoNoMay 2026
3Pro DivePro DiveFreeNoYesJul 2026
4DIVEROUT - Dive ComputerDIVEROUT - Dive ComputerFree3.6★ (16)NoYesAug 2026
5Diviac - Scuba diving logbookDiviac - Scuba diving logbookFree1.8★ (18)NoNoMay 2026
6PADIPADIFree4.9★ (46K)NoNoAug 2026
7NDLNDLFreeNoNoJul 2026
8nDeconDecoFree2.0★ (1)NoNoMay 2026

Top Picks for Scuba Diving Decompression

Diveplanner Tec & Rec#1

Diveplanner Tec & Rec by Sensetrails LLC

Plan your dives in seconds !
Editor's Choice
⚽ Sports
3.1(7 ratings)
FreeIn-App Purchases
Diveplanner Tec & Rec screenshot 1
Diveplanner Tec & Rec screenshot 2
Diveplanner Tec & Rec screenshot 3
Diveplanner Tec & Rec screenshot 4

Plan technical and recreational scuba dives with detailed gas management, decompression schedules, and contingency planning. This tool helps divers quickly create and share dive plans for various depths and conditions.

More Scuba Diving Decompression apps to explore

4
DIVEROUT - Dive Computer
DIVEROUT - Dive Computer
DIVEROUT - Dive Computer
Scuba Logbook,Freedive,AI
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
(16)
free with in-app purchases
5
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
6
PADI
PADI
PADI
by PADI Americas, Inc.
Free

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.

Online and offline learningOffline dive loggingCertification verification
💼 Business
(46K)
free
7
NDL
NDL
NDL
The official NDL app
Free

Confirm your diver or freediver status online and save electronic certificates offline. This app offers a free log-book and No-decompression limit planner, along with the latest news from the National Dive League. Professionals can also manage certificates and access the NDL Professional Zone.

Confirm diver status onlineSave electronic certificates offlineFree log-book
⚽ Sports
(0)
free
8
nDeco
nDeco
nDeco
Your Dive Planner Buddy
Free

Plan multi-segment dives with ease using U.S. Navy and Bühlmann decompression models. Get instant dive information, depth limit guidance, and surface interval recommendations for safe underwater adventures.

Multi-segment dive planningU.S. Navy & Bühlmann decompression modelsDepth limit guidance
⚽ Sports
(1)
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
(95)
free with in-app purchases
10
Scuba Supervisor
Scuba Supervisor
Scuba Supervisor
by Seung Heon Kim
Free

This app assists divers in planning and executing dives according to Navy Dive Manual guidelines. It offers features for detailed dive planning, real-time tracking, and digital logbook storage. Educational resources are also included to enhance diver knowledge.

Advanced dive planningReal-time dive trackingDigital dive log storage
🔍 Reference
(5)
free
11
Abysner
Abysner
Abysner
The open-source dive planner
$2.99

This app is an open-source dive planning tool designed for simplicity and ease of use. It supports various gas mixes and decompression models, allowing for accurate planning of technical and recreational dives. Its intuitive interface makes it suitable for use even in challenging conditions.

Buhlmann ZHL-16 A, B, C modelsMulti-gas support (Air, Nitrox, Trimix, etc.)OTU and CNS tracking
⚽ Sports
(2)
paid
12
LSD Scuba
LSD Scuba
LSD Scuba
by London School of diving
Free

This app offers consultancy services for establishing and operating scuba diving schools. It provides advice on PADI affiliation, IT systems, dive professional training, new dive site identification, marketing, and setting up scuba clubs.

Scuba diving school establishment advicePADI affiliation guidanceIT systems consultancy
💼 Business
(0)
ad-supported
13
Baltic Deco Planner Lite
Baltic Deco Planner Lite
Baltic Deco Planner Lite
by Eskil Olsen
Free

This tool helps technical divers plan staged decompression dives. It supports multi-level and repetitive dives with nitrox, and tracks gas consumption and decompression profiles. Dive plans can be saved for easy reuse.

Staged decompression dive planningNitrox-only diving supportMulti-level and repetitive dive calculations
⚽ Sports
(8)
free
14
Dive Log: Scuba Logbook
Dive Log: Scuba Logbook
Dive Log: Scuba Logbook
Diving Log, Dive Sites & Gear
Free
⚽ Sports
(0)
15
Garmin Dive™
Garmin Dive™
Garmin Dive™
by Garmin
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
(845)
free
16
Baltic Deco Planner
Baltic Deco Planner
Baltic Deco Planner
by Eskil Olsen
$18.99

Plan complex technical dives with support for various breathing apparatus and gas mixes. Features advanced decompression algorithms, gas consumption tracking, and contingency profile planning. Easily store, export, and reuse dive plans.

Decompression dive planningOpen circuit and rebreather supportMulti-level and repetitive dive support
⚽ Sports
(49)
paid
17
Dive World
Dive World
Dive World
Dive World
Free

This app is an all-in-one platform for diving enthusiasts to record dives, connect with other divers, and enhance underwater photos. It offers professional tools to support safe diving experiences for all levels of divers.

Dedicated dive logFind dive buddiesAI underwater photo color correction
🔧 Utilities
(1)
free with in-app purchases
18
Diving Standard
Diving Standard
Diving Standard
Made with salt water
Free
💪 Health & Fitness
(0)
19
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
(93)
freemium
20
SSI App - Education and Fun
SSI App - Education and Fun
SSI App - Education and Fun
Dive Training & Certification
Free

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.

Digital training materialsDigital certificationsDigital logbook
⚽ Sports
(8.2K)
free with in-app purchases

FAQ about Scuba Diving Decompression

What are the best scuba diving decompression apps for iPhone?
Diveplanner Tec & Rec tops our scuba diving decompression apps ranking as of August 2026, with a 3.1-star average from 7 App Store ratings, and it's free to download.
Yes — 18 of the top scuba diving decompression apps we rank are free to download, including Diveplanner Tec & Rec and DecoPlanner mobile.
Diveplanner Tec & Rec has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 243+ scuba diving decompression apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Diveplanner Tec & Rec can plan both technical and recreational open circuit or CCR dives. It supports multi-gas configurations and can calculate schedules for depths up to 300 meters in various water conditions and altitudes.
The app utilizes the Bühlmann decompression model ZH16L-C. Users can adjust the conservatism by selecting different gradient factors for their dive plans.