# Bones 3D (Anatomy) vs Codon One

The clearest difference is in-app purchases: Bones 3D (Anatomy) at none against Codon One's 7. Bones 3D (Anatomy) also leads on review sentiment (89% vs 76%). Codon One's advantage is update cadence (every 3 weeks vs every 7 months) and rating (4.5 vs 4.2). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Codon One sells 7 one-off in-app purchases. Bones 3D (Anatomy) 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 — 56 and 25 respectively. Written reviews complicate that: 89% of Bones 3D (Anatomy)'s written reviews are positive against 76% of Codon One's, so the app with the better star average is not the one people write more warmly about.

Bones 3D (Anatomy) ships an update every 7 months, Codon One every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Bones 3D (Anatomy) | Codon One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (56 ratings)](https://appshunter.io/ios/app/bones-3d-anatomy/id942226042/reviews) | **[4.5 (25 ratings)](https://appshunter.io/ios/app/codon-one-biology-study/id1517313390/reviews)** |
| Number of ratings | **56** | 25 |
| Positive reviews | **89.2% of reviews** | 76.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 114 MB | 277 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Victor Gonzalez Galvan](https://appshunter.io/developer/942226041) | [Daniel Gebert](https://appshunter.io/developer/1517313389) |

## What reviewers say

### Bones 3D (Anatomy)

[App page](https://appshunter.io/ios/app/bones-3d-anatomy/id942226042)

Explore the human skeletal system with an interactive 3D model. Access detailed definitions for over 200 bones, organized into navigable zones with customizable views and labeling options. Ideal for students and anyone seeking general anatomical knowledge.

**Highlights:** Interactive 3D skeletal model, Detailed definitions for 200+ bones, Rotatable and zoomable model, Organized into 4 anatomical zones, Customizable bone hiding and labels, Preconfigured views for specific areas

**Features:** macOS Compatibility, Vision Pro support

**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 2: Genetics | Free | one-time |
| Module 1: Chemistry of Life | Free | 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 Bones 3D (Anatomy) free?

Bones 3D (Anatomy) 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, Bones 3D (Anatomy) or Codon One?

Codon One is rated higher. Bones 3D (Anatomy) averages 4.2 out of 5 from 56 ratings, while Codon One averages 4.5 from 25 ratings.

### Do Bones 3D (Anatomy) or Codon One have ads?

Neither Bones 3D (Anatomy) nor Codon One shows ads.

### Which is updated more often, Bones 3D (Anatomy) or Codon One?

Bones 3D (Anatomy) ships an update every 7 months, and Codon One every 3 weeks. Most recently, Bones 3D (Anatomy) was updated on November 1, 2026 and Codon One on November 3, 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.*