# Genetics and Evolution vs Codon One

The clearest difference is rating: Codon One at 4.4 against Genetics and Evolution's 3.9. Codon One also leads on update cadence (every 3 weeks vs every 6 months). Genetics and Evolution's advantage is in-app purchases (none vs 7) and iOS requirement (7.0 vs 15.6). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Codon One holds the better App Store score, 4.4 against 3.9. Both are backed by a comparable volume of ratings — 8 and 23 respectively. Written reviews point the same way: 71% of Genetics and Evolution's written reviews are positive against 76% of Codon One's.

Genetics and Evolution ships an update every 6 months, Codon One every 3 weeks. The most recent releases landed on September 7, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Genetics and Evolution | Codon One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (8 ratings)](https://appshunter.io/ios/app/genetics-and-evolution/id650401749/reviews) | **[4.4 (23 ratings)](https://appshunter.io/ios/app/codon-one-biology-study/id1517313390/reviews)** |
| Number of ratings | 8 | **23** |
| Positive reviews | 71.4% of reviews | **76.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 252 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Russell Myers](https://appshunter.io/developer/696524482) | [Daniel Gebert](https://appshunter.io/developer/1517313389) |

## What reviewers say

### Genetics and Evolution

[App page](https://appshunter.io/ios/app/genetics-and-evolution/id650401749)

This educational app helps high school and college students solve common problems in genetics and evolution. It offers tools for genetic cross mapping, heritability calculations, Hardy-Weinberg equilibrium, population growth, and allele tracking. Generate practice problems and check your answers with this comprehensive study aid.

**Highlights:** Genetic cross mapping, Breeder's equation heritability, Hardy-Weinberg calculations, Population growth simulation, Self-test quizzes, Allele fate tracking, Mendelian cross simulation

**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 Genetics and Evolution free?

Genetics and Evolution 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, Genetics and Evolution or Codon One?

Codon One is rated higher. Genetics and Evolution averages 3.9 out of 5 from 8 ratings, while Codon One averages 4.4 from 23 ratings.

### Do Genetics and Evolution or Codon One have ads?

Neither Genetics and Evolution nor Codon One shows ads.

### Which is updated more often, Genetics and Evolution or Codon One?

Genetics and Evolution ships an update every 6 months, and Codon One every 3 weeks. Most recently, Genetics and Evolution was updated on September 7, 2026 and Codon One on September 8, 2026.

---

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