# Bio Virus Structure in 3D vs Codon One

The clearest difference is in-app purchases: Bio Virus Structure in 3D at none against Codon One's 7. Bio Virus Structure in 3D also leads on review sentiment (100% vs 76%) and iOS requirement (9.0 vs 15.6). Codon One's advantage is update cadence (every 3 weeks vs every 10 months) and ratings volume (25 vs 3). On price, rating, ads and device support there is nothing between them.

Both are free to download. Codon One sells 7 one-off in-app purchases. Bio Virus Structure in 3D asks for nothing beyond the download.

Bio Virus Structure in 3D holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Codon One has 25 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Bio Virus Structure in 3D's written reviews are positive against 76% of Codon One's.

Bio Virus Structure in 3D ships an update every 10 months, Codon One every 3 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Bio Virus Structure in 3D | Codon One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/bio-virus-structure-in-3d/id959469905/reviews)** | [4.5 (25 ratings)](https://appshunter.io/ios/app/codon-one-biology-study/id1517313390/reviews) |
| Number of ratings | 3 | **25** |
| Positive reviews | **100.0% of reviews** | 76.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 586 MB | 277 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Amnim](https://appshunter.io/developer/614464344) | [Daniel Gebert](https://appshunter.io/developer/1517313389) |

## What reviewers say

### Bio Virus Structure in 3D

[App page](https://appshunter.io/ios/app/bio-virus-structure-in-3d/id959469905)

Explore the 3D structures of various viruses, including Ebola and HIV, in an interactive virtual reality experience. Learn about their composition and importance in genetics.

**Highlights:** Interactive 3D virtual reality, Explore Ebola virus structure, Explore HIV virus structure, Explore influenza virus structure, Explore adenovirus structure, Explore bacteriophage structure

**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 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 Bio Virus Structure in 3D free?

Bio Virus Structure in 3D 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, Bio Virus Structure in 3D or Codon One?

Bio Virus Structure in 3D is rated higher. Bio Virus Structure in 3D averages 4.7 out of 5 from 3 ratings, while Codon One averages 4.5 from 25 ratings.

### Do Bio Virus Structure in 3D or Codon One have ads?

Neither Bio Virus Structure in 3D nor Codon One shows ads.

### Which is updated more often, Bio Virus Structure in 3D or Codon One?

Bio Virus Structure in 3D ships an update every 10 months, and Codon One every 3 weeks. Most recently, Bio Virus Structure in 3D was updated on October 24, 2026 and Codon One on October 27, 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.*