IDDA vs NASDS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IDDA
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.
- E-learning content
- Brevet platform
- Diving knowledge enhancement
- Exam preparation
- Accessible learning
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The IDDA App is a learning and brevet platform that provides e-learning content and brevets. With the app, users can deepen their diving knowledge and prepare for exams. The next updates of the app will include many new features that will make learning and preparing for exams even easier and more accessible. The IDDA app is a valuable tool for all divers who want to expand their diving knowledge and start their diving adventure
NASDS
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Hier können Sie ihre Brevets digital speichern, Sie können ihren Tauchgang loggen. Und Sie finden nützliche Tipps für einen sicheren Tauchgang.
Screenshots
Verdict
The clearest difference is iOS requirement: NASDS at 13.0 against IDDA's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
IDDA ships an update every 2 weeks, NASDS monthly. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.
| Parameter | IDDA | NASDS |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 37 MB | 42 MB |
| Age rating | 12+ | 4+ |
| Developer | IDDA GmbH | Christian Daume |
In-app purchases
IDDA
No in-app purchases
NASDS
No in-app purchases
