# IDDA vs Dive Kit

The clearest difference is review sentiment: Dive Kit at 100% against IDDA's 0%. Dive Kit also leads on update cadence (every 3 days vs every 2 weeks). IDDA's advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Dive Kit sells 3 in-app purchases, starting at $4.99 per month. IDDA asks for nothing beyond the download.

IDDA ships an update every 2 weeks, Dive Kit every 3 days. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | IDDA | Dive Kit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dive-kit-deco-planner-and-tools/id6753089545/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 37 MB | 127 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [IDDA GmbH](https://appshunter.io/developer/1663006167) | [RONNY MAJANI](https://appshunter.io/developer/1842415083) |

## What reviewers say

### IDDA

[App page](https://appshunter.io/ios/app/idda/id1663006165)

This platform offers e-learning content and certifications to enhance diving knowledge and prepare for exams. It's designed to make learning and exam preparation more accessible for divers. Future updates promise even more features to support your diving journey.

**Highlights:** E-learning content, Brevet platform, Diving knowledge enhancement, Exam preparation, Accessible learning

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Dive Kit

[App page](https://appshunter.io/ios/app/dive-kit-deco-planner-and-tools/id6753089545)

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.

**Highlights:** Open-circuit, trimix, and CCR dive planning, Automatic gas switching and unlimited segments, Offline functionality, Free dive utilities (gas analysis, usage, buoyancy), Dive signals and cylinder specifications, Certification wallet, Multi-language support

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Skuba Tools Pro Monthly | $4.99 | per month |
| Tip | $0.99 | one-time |
| Decompression Planner | $24.99 | one-time |


## Frequently asked questions

### Is IDDA free?

IDDA is free to download, with no in-app purchases.

### Is Dive Kit free?

Dive Kit is free to download, with in-app purchases available.

### Do IDDA or Dive Kit have ads?

Neither IDDA nor Dive Kit shows ads.

### Which is updated more often, IDDA or Dive Kit?

IDDA ships an update every 2 weeks, and Dive Kit every 3 days. Most recently, IDDA was updated on October 5, 2026 and Dive Kit on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*