# Physics Master Homework Tutor vs Codon One

The clearest difference is ads: Codon One at none against Physics Master Homework Tutor's shown. Physics Master Homework Tutor's advantage is ratings volume (136 vs 23). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Physics Master Homework Tutor sells 13 in-app purchases, starting at $3.49 per month and Codon One sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for Physics Master Homework Tutor against 4.4 for Codon One. That said, the two scores are not equally well evidenced: Physics Master Homework Tutor has 136 ratings behind it against 23, so its average is the more settled of the two. Written reviews are what separate them: 69% of Physics Master Homework Tutor's written reviews are positive against 76% of Codon One's.

Physics Master Homework Tutor ships an update every 4 weeks, Codon One every 3 weeks. The most recent releases landed on September 26, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Physics Master Homework Tutor | Codon One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (136 ratings)](https://appshunter.io/ios/app/physics-master-homework-tutor/id1453430489/reviews) | [4.4 (23 ratings)](https://appshunter.io/ios/app/codon-one-biology-study/id1517313390/reviews) |
| Number of ratings | **136** | 23 |
| Positive reviews | 68.8% of reviews | **76.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 117 MB | 252 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlo Terracciano](https://appshunter.io/developer/1159639539) | [Daniel Gebert](https://appshunter.io/developer/1517313389) |

## What reviewers say

### Physics Master Homework Tutor

[App page](https://appshunter.io/ios/app/physics-master-homework-tutor/id1453430489)

This app offers instant, step-by-step AI-powered solutions for physics problems, including a magic scanner to photograph and solve equations. It simplifies complex concepts, provides practice exercises, and includes a comprehensive formula library for effective test preparation.

**Highlights:** AI Physics Solver, Magic AI Scanner, Step-by-step solutions, Physics test preparation, Simplified theory explanations, Physics exercises and quizzes, Comprehensive formula library

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Physics · Monthly | $3.49 | per month |
| Physics · Monthly | $5.99 | per month |
| Physics · Monthly | $5.99 | per month |
| Monthly Subscription - Physics | $5.99 | per month |
| Physics · Annual | $8.49 | per year |
| Physics · Annual | $12.99 | per year |
| Physics · Annual | $24.99 | per year |
| Physics · Annual | $24.99 | per year |
| Remove advertising | $0.99 | one-time |
| Unlock the whole theory | $0.99 | one-time |
| Unlock all stories | $0.99 | one-time |
| Lifetime Subscription Physics | $29.99 | one-time |
| Formulas & Solved Problems | $99.99 | one-time |


### 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 Master Homework Tutor free?

Physics Master Homework Tutor is free to download, with in-app purchases available.

### Is Codon One free?

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

### Which has better reviews, Physics Master Homework Tutor or Codon One?

Physics Master Homework Tutor and Codon One are both rated 4.4 out of 5 on the App Store, from 136 and 23 ratings respectively.

### Do Physics Master Homework Tutor or Codon One have ads?

Physics Master Homework Tutor shows ads; Codon One does not.

### Which is updated more often, Physics Master Homework Tutor or Codon One?

Physics Master Homework Tutor ships an update every 4 weeks, and Codon One every 3 weeks. Most recently, Physics Master Homework Tutor was updated on September 26, 2026 and Codon One on September 24, 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.*