# Codon One vs MindZen1

Codon One and MindZen1 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Codon One sells 7 one-off in-app purchases and MindZen1 sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Codon One ships an update every 3 weeks, MindZen1 monthly. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Codon One | MindZen1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (24 ratings)](https://appshunter.io/ios/app/codon-one-biology-study/id1517313390/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 76.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 277 MB | 59 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Gebert](https://appshunter.io/developer/1517313389) | [Neal Antone Dyer](https://appshunter.io/developer/1838743699) |

## 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 |


### MindZen1

[App page](https://appshunter.io/ios/app/mindzen1/id6777032347)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindZen Premium Monthly | $3.99 | per month |
| MindZen Premium Yearly | $44.99 | per year |


## Frequently asked questions

### Is Codon One free?

Codon One is free to download, with in-app purchases available.

### Is MindZen1 free?

MindZen1 is free to download, with in-app purchases available.

### Do Codon One or MindZen1 have ads?

Neither Codon One nor MindZen1 shows ads.

### Which is updated more often, Codon One or MindZen1?

Codon One ships an update every 3 weeks, and MindZen1 monthly. Most recently, Codon One was updated on October 24, 2026 and MindZen1 on October 16, 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.*