# Codon One vs Phylogenetic Tree View

The clearest difference is in-app purchases: Phylogenetic Tree View at none against Codon One's 7. Phylogenetic Tree View also leads on iOS requirement (13.0 vs 15.6). Codon One's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 11 months). On price and device support there is nothing between them.

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

Codon One ships an update every 3 weeks, Phylogenetic Tree View every 11 months. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Codon One | Phylogenetic Tree View |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (23 ratings)](https://appshunter.io/ios/app/codon-one-biology-study/id1517313390/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 76.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 252 MB | 28 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Gebert](https://appshunter.io/developer/1517313389) | [Sigmar Stefansson](https://appshunter.io/developer/1650379171) |

## 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 |


### Phylogenetic Tree View

[App page](https://appshunter.io/ios/app/phylogenetic-tree-view/id6444221294)

**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 Phylogenetic Tree View free?

Phylogenetic Tree View is free to download, with no in-app purchases.

### Do Codon One or Phylogenetic Tree View have ads?

Phylogenetic Tree View shows ads; Codon One does not.

### Which is updated more often, Codon One or Phylogenetic Tree View?

Codon One ships an update every 3 weeks, and Phylogenetic Tree View every 11 months. Most recently, Codon One was updated on September 8, 2026 and Phylogenetic Tree View on September 9, 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.*