# Codon One vs MDCAT Physics In Seconds

The clearest difference is rating: MDCAT Physics In Seconds at 5.0 against Codon One's 4.5. MDCAT Physics In Seconds also leads on in-app purchases (none vs 7) and update cadence (daily vs every 3 weeks). Codon One's advantage is ratings volume (24 vs 5). On price, ads and device support there is nothing between them.

Both are free to download. Codon One sells 7 one-off in-app purchases. MDCAT Physics In Seconds asks for nothing beyond the download.

MDCAT Physics In Seconds holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 24 and 5 respectively. Written reviews point the same way: 76% of Codon One's written reviews are positive against 100% of MDCAT Physics In Seconds's.

Codon One ships an update every 3 weeks, MDCAT Physics In Seconds daily. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Codon One | MDCAT Physics In Seconds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (24 ratings)](https://appshunter.io/ios/app/codon-one-biology-study/id1517313390/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/mdcat-physics-in-seconds/id1585193952/reviews)** |
| Number of ratings | **24** | 5 |
| Positive reviews | 76.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 277 MB | 101 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Gebert](https://appshunter.io/developer/1517313389) | [Shigarinc](https://appshunter.io/developer/1585193954) |

## 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 |


### MDCAT Physics In Seconds

[App page](https://appshunter.io/ios/app/mdcat-physics-in-seconds/id1585193952)

This app provides comprehensive notes for the MDCAT Physics exam, including formulas, graphs, shortcuts, and units. It also features video lectures and quizzes to aid in preparation.

**Highlights:** Formulas, Graphs, Shortcuts, Units, Video lectures, Quizzes

**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 MDCAT Physics In Seconds free?

MDCAT Physics In Seconds is free to download, with no in-app purchases.

### Which has better reviews, Codon One or MDCAT Physics In Seconds?

MDCAT Physics In Seconds is rated higher. Codon One averages 4.5 out of 5 from 24 ratings, while MDCAT Physics In Seconds averages 5.0 from 5 ratings.

### Do Codon One or MDCAT Physics In Seconds have ads?

Neither Codon One nor MDCAT Physics In Seconds shows ads.

### Which is updated more often, Codon One or MDCAT Physics In Seconds?

Codon One ships an update every 3 weeks, and MDCAT Physics In Seconds daily. Most recently, Codon One was updated on October 24, 2026 and MDCAT Physics In Seconds on October 23, 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.*