Best apps like IDDA

10+ similar apps compared and reviewed

4.3 avg rating
8 free apps
Updated October 2026

IDDA 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 IDDA

Dive Kit: Deco Planner & Tools#1

Dive Kit: Deco Planner & Tools by RONNY MAJANI

Trimix, CCR & nitrox planning
Editor's Choice
⚽ Sports
5.0(1 ratings)
FreeIn-App Purchases
Dive Kit: Deco Planner & Tools screenshot 1
Dive Kit: Deco Planner & Tools screenshot 2
Dive Kit: Deco Planner & Tools screenshot 3
Dive Kit: Deco Planner & Tools screenshot 4
Dive Kit: Deco Planner & Tools screenshot 5
Dive Kit: Deco Planner & Tools screenshot 6

This app provides comprehensive dive planning tools for various gas mixes, including trimix and CCR dives. It offers a suite of free utilities for gas analysis, usage, and buoyancy calculations, alongside educational content and a certification wallet. The premium version unlocks advanced planning features for complex dives.

Gas Blender Toolkit#2

Gas Blender Toolkit by Oleg Gurevich

Trimix/Nitrox/blending & more
Strong Contender
⚽ Sports
3.0(2 ratings)
$2.99
Gas Blender Toolkit screenshot 1
Gas Blender Toolkit screenshot 2
Gas Blender Toolkit screenshot 3
Gas Blender Toolkit screenshot 4
Gas Blender Toolkit screenshot 5
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 IDDA

4
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
5
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
6
Tauchen Magazin
Tauchen Magazin
Tauchen Magazin
by Jahr Artopé Media Gmbh & Co KG
Free
⚽ Sports
(0)
7
OSTConf
OSTConf
OSTConf
by Kai-Uwe Sattler
Free

Configure your dive computer settings and parameters wirelessly. Update date, time, custom text, gas mixes, and deco settings. Compatible with recent Bluetooth-enabled dive computers.

Read and modify settingsUpdate date and timeSet custom text
⚽ Sports
(0)
free
8
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
9
Decosoft
Decosoft
Decosoft
Dive safe, dive with Decosoft
Free

Plan your dives with this comprehensive tech diving tool. It offers a user-friendly interface, advanced decompression models, and various dive calculators to ensure safe and enjoyable underwater adventures. Save, share, and prepare for every dive with detailed insights.

User-friendly dive planning interfaceBühlmann decompression modelDetailed runtime table with graphs
⚽ Sports
(0)
free with in-app purchases
10
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
(468)
free with in-app purchases