Best apps like OSTConf

10+ similar apps compared and reviewed

4.2 avg rating
7 free apps
Updated August 2026

Looking for something like OSTConf? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to OSTConf

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
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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.

SUEX Calypso#3

SUEX Calypso by SUEX SRL

Worth Considering
⚽ Sports
0.0(0 ratings)
Free
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Connect with your diving equipment to access essential data before and after dives. Monitor equipment performance and configure parameters for a more enjoyable underwater experience.

More apps like OSTConf

4
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
5
Subsurface-mobile
Subsurface-mobile
Subsurface-mobile
Your dive list on the go
Free

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.

Mobile dive log managementEdit dive dataDownload from Bluetooth LE dive computers
⚽ Sports
(46)
free
6
Dive Log
Dive Log
Dive Log
by Greg Mclaughlin
$14.99

Log your SCUBA dives with detailed information, including GPS coordinates and dive buddy details. Supports metric and imperial units, and integrates with desktop software for comprehensive dive history management.

SCUBA diving logbookGPS coordinate captureDive buddy integration
⚽ Sports
(106)
free with in-app purchases
7
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
8
Poseidon Reef
Poseidon Reef
Poseidon Reef
Plan Dive Analyse
Free

This app helps divers log, plan, and analyze their dives. It offers detailed overviews, customizable dive logs, and advanced planning for various dive types. Connect your dive computer to manage data and firmware.

Comprehensive dive loggingDetailed dive planningSupport for OC and CCR dives
⚽ Sports
(2)
ad-supported
9
divelogs
divelogs
divelogs
by Rainer Mohr
Free

Manage your diving activities and certifications with this companion app. Add, edit, and sync your dive logs, gear, and certifications with the web platform. Supports importing dive data from FIT files.

Sync dive logs with web platformAdd and edit divesManage certifications
⚽ Sports
(1)
free
10
Diveplanner Tec & Rec
Diveplanner Tec & Rec
Diveplanner Tec & Rec
Plan your dives in seconds !
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 schedulesBühlmann decompression model (ZH16L-C)
⚽ Sports
(7)
free