# Codon One vs Adaptive tests ICEF

The clearest difference is in-app purchases: Adaptive tests ICEF at none against Codon One's 7. Adaptive tests ICEF also leads on review sentiment (100% vs 76%). Codon One's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Codon One sells 7 one-off in-app purchases. Adaptive tests ICEF asks for nothing beyond the download.

Codon One ships an update every 3 weeks, Adaptive tests ICEF every 6 weeks. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Codon One | Adaptive tests ICEF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (24 ratings)](https://appshunter.io/ios/app/codon-one-biology-study/id1517313390/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 76.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 277 MB | 13 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Gebert](https://appshunter.io/developer/1517313389) | [Yaroslav Lyulko](https://appshunter.io/developer/1708756062) |

## What reviewers say

### Codon One

[App page](https://appshunter.io/ios/app/codon-one-biology-study/id1517313390)

Master molecular biology, genetics, evolution, and life chemistry through interactive modules and quizzes. Explore essential concepts with clear diagrams and concise explanations. Includes helpful tools for sequence analysis and genetic code reference.

**Highlights:** Interactive learning modules, Quick quizzes for comprehension, Clear diagrams and plain language, Molecule reference guide, Sequence analysis tools, Genetic code exploration

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Module 1: Chemistry of Life | Free | one-time |
| Module 2: Genetics | $2.99 | one-time |
| Module 3: Evolution | $2.99 | one-time |
| Module 4: Science History | $2.99 | one-time |
| Module 5: Cell Biology | $2.99 | one-time |
| Module 6: Development | $2.99 | one-time |
| Unlock All | $8.99 | one-time |


### Adaptive tests ICEF

[App page](https://appshunter.io/ios/app/adaptive-tests-icef/id6450429824)

This educational app uses adaptive testing to assess your knowledge in Probability Theory and Statistics. It adjusts question difficulty based on your performance, offering a personalized learning experience.

**Highlights:** Adaptive testing, Probability Theory, Statistics, Personalized difficulty, Progressive learning

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Codon One free?

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

### Is Adaptive tests ICEF free?

Adaptive tests ICEF is free to download, with no in-app purchases.

### Do Codon One or Adaptive tests ICEF have ads?

Neither Codon One nor Adaptive tests ICEF shows ads.

### Which is updated more often, Codon One or Adaptive tests ICEF?

Codon One ships an update every 3 weeks, and Adaptive tests ICEF every 6 weeks. Most recently, Codon One was updated on October 10, 2026 and Adaptive tests ICEF on October 14, 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.*