# Genetic Code vs Codon One

The clearest difference is in-app purchases: Genetic Code at none against Codon One's 7. Genetic Code also leads on iOS requirement (7.0 vs 15.6). Codon One's advantage is rating (4.4 vs 4.0) and review sentiment (76% vs 55%). 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. Genetic Code asks for nothing beyond the download.

Codon One holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 6 and 23 respectively. Written reviews point the same way: 55% of Genetic Code's written reviews are positive against 76% of Codon One's.

Genetic Code ships an update every 2 months, Codon One every 3 weeks. The most recent releases landed on September 7, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Genetic Code | Codon One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (6 ratings)](https://appshunter.io/ios/app/genetic-code/id346512503/reviews) | **[4.4 (23 ratings)](https://appshunter.io/ios/app/codon-one-biology-study/id1517313390/reviews)** |
| Number of ratings | 6 | **23** |
| Positive reviews | 54.5% of reviews | **76.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 252 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SlaVanya LLC](https://appshunter.io/developer/425987343) | [Daniel Gebert](https://appshunter.io/developer/1517313389) |

## What reviewers say

### Genetic Code

[App page](https://appshunter.io/ios/app/genetic-code/id346512503)

This app provides a comprehensive reference for genetic code, visualizing codons and offering detailed information on 20 amino acids. Explore different representations of the codon table and access extensive data on amino acid properties and abbreviations.

**Highlights:** Visual codon table, Amino acid properties, Codon picker tool, Circular codon representation, Alignment with start codons, Nucleotide code reference

**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 Genetic Code free?

Genetic Code 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, Genetic Code or Codon One?

Codon One is rated higher. Genetic Code averages 4.0 out of 5 from 6 ratings, while Codon One averages 4.4 from 23 ratings.

### Do Genetic Code or Codon One have ads?

Neither Genetic Code nor Codon One shows ads.

### Which is updated more often, Genetic Code or Codon One?

Genetic Code ships an update every 2 months, and Codon One every 3 weeks. Most recently, Genetic Code was updated on September 7, 2026 and Codon One on September 8, 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.*