Best IDDA alternatives: apps like IDDA

10+ similar apps compared and reviewed

4.3 avg rating
8 free apps
Updated November 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(2 ratings)
FreeIn-App Purchases
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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#3

Gas Blender Toolkit by Oleg Gurevich

Trimix/Nitrox/blending & more
Worth Considering
⚽ Sports
3.0(2 ratings)
$2.99
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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.

More apps like IDDA

4
divelogs
divelogs
divelogs
by Rainer Mohr
Free

Manage your diving information on the go. Add, edit, and sync dive logs, certifications, and gear. Supports various import formats for seamless data integration.

Sync dive logsAdd and edit divesManage certifications
⚽ Sports
(1)
free
5
Diving logbook-Dive Number
Diving logbook-Dive Number
Diving logbook-Dive Number
the simplest logbook divers
Free

Easily log all your scuba diving details, from dive sites and conditions to equipment and observations. Track your dive history, including depth, time, and gas usage, with unlimited entries and an extensive dive site database. Connect with dive partners and record your underwater experiences.

Unlimited dive entriesDetailed dive parameters (depth, time, gas)Dive site mapping and database
⚽ Sports
(96)
free with in-app purchases
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
(107)
free with in-app purchases
7
Diveplanner Tec & Rec
Diveplanner Tec & Rec
Diveplanner Tec & Rec
Decompression dive planner
Free

Plan complex recreational and technical dives with advanced decompression models and multi-gas support. Log your dives, manage gas blends, and restore underwater photo colors. Syncs across Apple devices.

Bühlmann ZH-L16C and Thalmann decompression modelsOpen circuit and CCR dive planningMulti-gas decompression support
⚽ Sports
(7)
freemium
8
NASDS
NASDS
NASDS
by Christian Daume
Free
⚽ Sports
(0)
9
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
(489)
free with in-app purchases
10
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