# AminoCraft vs Eterna

The clearest difference is rating: Eterna at 3.7 against AminoCraft's 3.0. Eterna also leads on update cadence (every 3 weeks vs every 7 months). AminoCraft's advantage is review sentiment (46% vs 33%). On price, ratings volume, ads 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.

Eterna holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 10 and 15 respectively. Written reviews complicate that: 46% of AminoCraft's written reviews are positive against 33% of Eterna's, so the app with the better star average is not the one people write more warmly about.

AminoCraft ships an update every 7 months, Eterna every 3 weeks. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | AminoCraft | Eterna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (10 ratings)](https://appshunter.io/ios/app/aminocraft/id1171843736/reviews) | **[3.7 (15 ratings)](https://appshunter.io/ios/app/eterna/id1513216417/reviews)** |
| Number of ratings | 10 | **15** |
| Positive reviews | **45.8% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 21 MB | 188 MB |
| Requires iOS | **12** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Groupe Curious](https://appshunter.io/developer/1057195945) | [Vital Mind Media](https://appshunter.io/developer/1513216416) |

## What reviewers say

### AminoCraft

[App page](https://appshunter.io/ios/app/aminocraft/id1171843736)

Engage in interactive gameplay to master the 20 amino acids. Choose between beginner quizzes to identify them or expert challenges to position chemical groups in 2D. Enjoy three distinct game modes for learning at your own pace or competing with others.

**Highlights:** Learn 20 amino acids, Beginner quiz mode, Expert 2D chemical positioning, Relax learning mode, Challenge mode with score sharing, Nomenclature memorization

**In-app purchases:** none


### Eterna

[App page](https://appshunter.io/ios/app/eterna/id1513216417)

Engage in a citizen science game to design RNA molecules for medical research. Solve puzzles to unlock lab access and contribute to inventing new medicines through challenges.

**Highlights:** Design RNA molecules, Solve scientific puzzles, Participate in medical research, Invent new medicines, Unlock lab access

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

**In-app purchases:** none


## Frequently asked questions

### Is AminoCraft free?

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

### Is Eterna free?

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

### Which has better reviews, AminoCraft or Eterna?

Eterna is rated higher. AminoCraft averages 3.0 out of 5 from 10 ratings, while Eterna averages 3.7 from 15 ratings.

### Do AminoCraft or Eterna have ads?

Neither AminoCraft nor Eterna shows ads.

### Which is updated more often, AminoCraft or Eterna?

AminoCraft ships an update every 7 months, and Eterna every 3 weeks. Most recently, AminoCraft was updated on October 24, 2026 and Eterna on October 29, 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.*