Best ATMOS alternatives: apps like ATMOS - Diving logbooks

10+ similar apps compared and reviewed

3.8 avg rating
10 free apps
Updated October 2026

ATMOS is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to ATMOS

Diving logbook-Dive Number#1

Diving logbook-Dive Number by Denys Dykusha

the simplest logbook divers
Editor's Choice
⚽ Sports
4.2(96 ratings)
FreeIn-App Purchases
Diving logbook-Dive Number screenshot 1
Diving logbook-Dive Number screenshot 2
Diving logbook-Dive Number screenshot 3
Diving logbook-Dive Number screenshot 4
Diving logbook-Dive Number screenshot 5

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.

SDI TDI ERDI PFI#2

SDI TDI ERDI PFI by ITI Holdings, LLC.

tdisdi.com Mobile App
Strong Contender
⚽ Sports
4.3😐(151 ratings)
Free
SDI TDI ERDI PFI screenshot 1
SDI TDI ERDI PFI screenshot 2
SDI TDI ERDI PFI screenshot 3
SDI TDI ERDI PFI screenshot 4
SDI TDI ERDI PFI screenshot 5
SDI TDI ERDI PFI screenshot 6

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.

What We Love

  • πŸ‘ Access to eCards
  • πŸ‘ Great resource for professionals
  • πŸ‘ Good for documenting dive information
  • πŸ‘ Informative publications
  • πŸ‘ User-friendly certification agency app
  • πŸ‘ Digital training cards supported
  • πŸ‘ Well-thought-out eLearning platform
  • πŸ‘ Genialidad (Genius)
  • πŸ‘ Excellent (Excelente)

Room to Improve

  • πŸ› Crashing after update
  • πŸ› Very glitchy
  • πŸ› Laggy, especially selecting dive sites
  • πŸ› Buttons unintuitive
  • πŸ› Slow manual dive loading
  • πŸ› Dive logs not found after download
  • πŸ› No logout feature
  • πŸ› Mandatory update popups
  • πŸ› Basic app
  • πŸ› Lacking features compared to other agencies
  • πŸ› Not designed for iPad
  • πŸ› No purpose/limited utility
  • πŸ› Session expired/logged out frequently
  • πŸ› Dated look and feel
  • πŸ› Poor design and execution
  • πŸ› Lacking important shortcuts
  • πŸ› Requires website for most things
Subsurface-mobile#3

Subsurface-mobile by Dirk Hohndel

Your dive list on the go
Worth Considering
⚽ Sports
4.5(48 ratings)
Free
Subsurface-mobile screenshot 1
Subsurface-mobile screenshot 2
Subsurface-mobile screenshot 3
Subsurface-mobile screenshot 4

This application allows divers to manage their dive logs on their mobile devices. It supports editing dive data and downloading new information from compatible dive computers. Optional cloud synchronization is available for seamless data transfer with desktop versions.

More apps like ATMOS

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
(2.6K)
free with in-app purchases
5
DIVEROUT - Dive Computer
DIVEROUT - Dive Computer
DIVEROUT - Dive Computer
Smartwatch Diving & Logbook
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
(26)
free with in-app purchases
6
Nitrox Buddy
Nitrox Buddy
Nitrox Buddy
Nitrox/Enriched Air Calculator
Free

This application serves as a straightforward calculator for nitrox and enriched air divers. It quickly computes essential dive data such as Maximum Operating Depth (MOD), Equivalent Air Depth (EAD), Best Mix, and Partial Pressure of Oxygen (PPO2). It supports both imperial and metric units and offers a companion watch app for on-the-go calculations.

Calculate MOD, EAD, Best Mix, PPO2Imperial and metric unit supportSea and fresh water options
⚽ Sports
(490)
free with in-app purchases
7
Shearwater Cloud
Shearwater Cloud
Shearwater Cloud
by Shearwater Research
Free

Connect your mobile device to your dive computer to download, manage, and analyze dive logs. Update firmware and utilize cloud storage for accessible and secure dive data across multiple devices.

Download dive logs via Bluetooth LEAnalyze depth, decompression, and temperatureCloud storage for dive logs
⚽ Sports
(104)
free
8
Diveplanner Tec & Rec
Diveplanner Tec & Rec
Diveplanner Tec & Rec
Decompression dive planner
Free

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.

Technical and recreational dive planningMulti-gas and CCR dive schedulesBΓΌhlmann decompression model (ZH16L-C)
⚽ Sports
(7)
free
9
FreeDive Ai - Apnea Trainer
FreeDive Ai - Apnea Trainer
FreeDive Ai - Apnea Trainer
Freediving Training & Logs
Free

This app helps freedivers manage their training and dive information. It offers various training modules, including CO2 and O2 adaptation, static apnea, and dive simulations. Users can track their progress, find dive buddies, and access educational content.

Diver information managementCO2 and O2 adaptation trainingStatic apnea record measurement
⚽ Sports
(14)
free with in-app purchases
10
Dive Shearwater
Dive Shearwater
Dive Shearwater
by Shearwater Research
Free

This app serves as a digital dive log, allowing divers to meticulously record their underwater adventures. It features interactive maps to track explored locations and integrates with specific hardware to automatically capture dive site coordinates. Designed for simplicity and reliability, it helps divers organize records and plan future dives.

Interactive dive mapsAutomatic dive site coordinate captureStreamlined user experience
⚽ Sports
(47)
free