Best apps like The Sidewinder Checklist

10+ similar apps compared and reviewed

4.7 avg rating
8 free apps
Updated July 2026

The Sidewinder Checklist 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 The Sidewinder Checklist

Gas blender toolkit#1

Gas blender toolkit by Oleg Gurevich

Blender/MOD/PSCR and more
Editor's Choice
⚽ Sports
3.0(2 ratings)
$1.99
Gas blender toolkit screenshot 1
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Gas blender toolkit screenshot 6

This comprehensive toolkit assists scuba divers in calculating and blending various gas mixtures like trimix, nitrox, and heliox. It offers features for both partial pressure and continuous blending, cost calculation, and utilizes ideal and real gas models for accuracy. Optimized for larger screens, it serves as a successor to a previous diving application.

More apps like The Sidewinder Checklist

4
LetsDive
LetsDive
LetsDive
Log & social app for diver
Free

Log your dives, discover new sites, and connect with the global diving community. This app offers a comprehensive logbook with intuitive data entry, custom trip folders, and image galleries. It also serves as a social hub for planning dives, sharing photos, and contributing to a community-driven dive resource.

Intuitive dive loggingCustom trip foldersPrecise GPS location logging
⚽ Sports
(2)
free
5
krakentools – TEC/REC Tools
krakentools – TEC/REC Tools
krakentools – TEC/REC Tools
by Arndt Kemper
Free

This comprehensive dive toolbox offers planning and safety features for recreational, Nitrox, TEC, and CCR divers. It includes a digital logbook with Bluetooth connectivity for various dive computers, extensive import/export options, and tools for underwater media editing.

Dive planner for various dive typesDecompression planner with Bühlmann ZH-L16CGas planning and analysis tools
⚽ Sports
(0)
free
6
TrimixBlending
TrimixBlending
TrimixBlending
Partial Pressure Trimix Blend
Free
⚽ Sports
(0)
7
Digidive
Digidive
Digidive
Custom dive log for all levels
Free

Log your underwater adventures with this comprehensive dive tracker. Record dive sites, marine life, and conditions, and plan future explorations with a wish list. Offers a free trial with optional Pro subscriptions for full history and photo uploads.

Log dive sites, conditions, and marine lifeTrack dive historyWish list for dream destinations
⚽ Sports
(33)
free with in-app purchases
8
Trimix Tools
Trimix Tools
Trimix Tools
Dive Planning and Blending
$6.99

This app provides essential tools for divers to plan and blend Trimix gases. It calculates optimal mixes based on depth, oxygen partial pressure, and equivalent narcotic depth, and supports various cylinder filling scenarios. Calculations are available offline and can be customized with saved settings.

Trimix blending and planningDepth and partial pressure calculationsEquivalent Narcotic Depth (END) calculation
⚽ Sports
(5)
paid
9
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
10
O'Dive
O'Dive
O'Dive
Air / Nitrox / Trimix / Heliox
Free

This app uses patented acoustic sensor technology to analyze gas microbubbles detected after a dive. It helps divers assess their decompression procedures and improve their safety and practice based on personalized acoustic measurements.

Acoustic sensor technologyGas microbubble detectionPersonalized decompression analysis
⚽ Sports
(1)
free