# GenomeCache vs Codon One

The clearest difference is in-app purchases: GenomeCache at none against Codon One's 7. GenomeCache also leads on iOS requirement (11 vs 15.6). Codon One's advantage is review sentiment (76% vs 44%) and update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

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

Codon One holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 5 and 24 respectively. Written reviews point the same way: 44% of GenomeCache's written reviews are positive against 76% of Codon One's.

GenomeCache ships an update every 3 months, Codon One every 3 weeks. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | GenomeCache | Codon One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/genomecache/id470275184/reviews) | **[4.5 (24 ratings)](https://appshunter.io/ios/app/codon-one-biology-study/id1517313390/reviews)** |
| Number of ratings | 5 | **24** |
| Positive reviews | 44.4% of reviews | **76.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 113 MB | 277 MB |
| Requires iOS | **11** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [HudsonAlpha Institute for Biotechnology](https://appshunter.io/developer/364882018) | [Daniel Gebert](https://appshunter.io/developer/1517313389) |

## What reviewers say

### GenomeCache

[App page](https://appshunter.io/ios/app/genomecache/id470275184)

Explore the human genome through a virtual scavenger hunt, learning about genetic points of interest and their contribution to human traits. Test your knowledge with trivia and compete on a leaderboard.

**Highlights:** Virtual scavenger hunt through the human genome, Learn about genetic points of interest, Discover how genes contribute to human traits, Engage with fun facts, Test knowledge with trivia questions, Post high scores to a leaderboard

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is GenomeCache free?

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

### Is Codon One free?

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

### Which has better reviews, GenomeCache or Codon One?

Codon One is rated higher. GenomeCache averages 4.2 out of 5 from 5 ratings, while Codon One averages 4.5 from 24 ratings.

### Do GenomeCache or Codon One have ads?

Neither GenomeCache nor Codon One shows ads.

### Which is updated more often, GenomeCache or Codon One?

GenomeCache ships an update every 3 months, and Codon One every 3 weeks. Most recently, GenomeCache was updated on October 6, 2026 and Codon One on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*