# IDDA vs TC Manatees

The clearest difference is device support: IDDA at 3 against TC Manatees's —. TC Manatees's advantage is iOS requirement (12.4 vs 15.6). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | IDDA | TC Manatees |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 2 weeks | — |
| Monetization | Free | — |
| Size | 37 MB | 30 MB |
| Requires iOS | 15.6 | **12.4** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 12+ | 4+ |
| Developer | [IDDA GmbH](https://appshunter.io/developer/1663006167) | [Tauchclub Uni Stuttgart Manatees e.V.](https://appshunter.io/developer/1766952761) |

## 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


### TC Manatees

[App page](https://appshunter.io/ios/app/tc-manatees/id6670615357)

**In-app purchases:** none


## Frequently asked questions

### Is IDDA free?

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

### Is TC Manatees free?

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

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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.*