# Physics Formulas Lite vs Codon One

The clearest difference is in-app purchases: Physics Formulas Lite at none against Codon One's 7. Physics Formulas Lite also leads on review sentiment (86% vs 76%). Codon One's advantage is update cadence (every 3 weeks vs every 4 months). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.6 for Physics Formulas Lite against 4.5 for Codon One. Both are backed by a comparable volume of ratings — 60 and 24 respectively. Written reviews are what separate them: 86% of Physics Formulas Lite's written reviews are positive against 76% of Codon One's.

Physics Formulas Lite ships an update every 4 months, Codon One every 3 weeks. The most recent releases landed on September 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Physics Formulas Lite | Codon One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (60 ratings)](https://appshunter.io/ios/app/physics-formulas-lite/id814896887/reviews)** | [4.5 (24 ratings)](https://appshunter.io/ios/app/codon-one-biology-study/id1517313390/reviews) |
| Number of ratings | **60** | 24 |
| Positive reviews | **85.7% of reviews** | 76.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 43 MB | 277 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NSC CO. PTY LTD](https://appshunter.io/developer/579522076) | [Daniel Gebert](https://appshunter.io/developer/1517313389) |

## What reviewers say

### Physics Formulas Lite

[App page](https://appshunter.io/ios/app/physics-formulas-lite/id814896887)

Quickly access and reference physics formulas for study and work. Features include calculation tools, multi-language support, a favorites folder, and formula sharing. Search and add custom formulas and tools.

**Highlights:** Formula reference by category, In-app calculation tools, Multi-language support, Favorites folder for quick access, Formula sharing functionality, Searchable formula database, Add custom formulas and tools

**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 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 |


## Frequently asked questions

### Is Physics Formulas Lite free?

Physics Formulas Lite 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, Physics Formulas Lite or Codon One?

Physics Formulas Lite is rated higher. Physics Formulas Lite averages 4.6 out of 5 from 60 ratings, while Codon One averages 4.5 from 24 ratings.

### Do Physics Formulas Lite or Codon One have ads?

Neither Physics Formulas Lite nor Codon One shows ads.

### Which is updated more often, Physics Formulas Lite or Codon One?

Physics Formulas Lite ships an update every 4 months, and Codon One every 3 weeks. Most recently, Physics Formulas Lite was updated on September 23, 2026 and Codon One on October 10, 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.*