# MyÆDN vs Amino Acids Trainer

The clearest difference is update cadence: MyÆDN at every 6 days against Amino Acids Trainer's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MyÆDN sells 4 in-app purchases, starting at $3.99 per month and Amino Acids Trainer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

MyÆDN ships an update every 6 days, Amino Acids Trainer monthly. The most recent releases landed on October 28, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | MyÆDN | Amino Acids Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/amino-acids-trainer/id6791918556/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 11 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ALEXANDRE ANDRE VINCENT DOUMERGUE](https://appshunter.io/developer/6789611843) | [Alexander Mehanic](https://appshunter.io/developer/1888807545) |

## What reviewers say

### MyÆDN

[App page](https://appshunter.io/ios/app/mydn/id6789611841)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MyÆDN mensuel | $3.99 | per month |
| MyÆDN semestriel | $19.95 | per 6 months |
| MyÆDN jusqu'à l'EDN | $29.95 | per year |
| MyÆDN Annuel | $39.99 | per year |


### Amino Acids Trainer

[App page](https://appshunter.io/ios/app/amino-acids-trainer/id6791918556)

Master the 20 proteinogenic amino acids with interactive quizzes covering structures, codes, properties, and formulas. Practice with various modes, difficulty levels, and timed exams. Track your progress and review mistakes to build confidence.

**Highlights:** Interactive amino acid training, Structure, code, and property quizzes, Multiple quiz modes, Adjustable difficulty levels, Timed exam mode, Detailed statistics and progress tracking, Review and bookmarking features

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |


## Frequently asked questions

### Is MyÆDN free?

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

### Is Amino Acids Trainer free?

Amino Acids Trainer is free to download, with in-app purchases available.

### Do MyÆDN or Amino Acids Trainer have ads?

Neither MyÆDN nor Amino Acids Trainer shows ads.

### Which is updated more often, MyÆDN or Amino Acids Trainer?

MyÆDN ships an update every 6 days, and Amino Acids Trainer monthly. Most recently, MyÆDN was updated on October 28, 2026 and Amino Acids Trainer on October 9, 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.*