# iLearnPhysics vs Photronium

The clearest difference is rating: Photronium at 5.0 against iLearnPhysics's 3.5. Photronium also leads on review sentiment (100% vs 59%) and update cadence (monthly vs every 51 months). iLearnPhysics's advantage is iOS requirement (9.0 vs 16.4). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. iLearnPhysics sells 1 one-off in-app purchase and Photronium sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Photronium holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 11 and 8 respectively. Written reviews point the same way: 59% of iLearnPhysics's written reviews are positive against 100% of Photronium's.

iLearnPhysics ships an update every 51 months, Photronium monthly. The most recent releases landed on August 18, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | iLearnPhysics | Photronium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (11 ratings)](https://appshunter.io/ios/app/ilearnphysics-learn-physics/id633083862/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/photronium-physics-equations/id1546383517/reviews)** |
| Number of ratings | **11** | 8 |
| Positive reviews | 58.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 51 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 71 MB | 59 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Paul Cotarlea](https://appshunter.io/developer/390061678) | [Hao Nguyen](https://appshunter.io/developer/1546383519) |

## What reviewers say

### iLearnPhysics

[App page](https://appshunter.io/ios/app/ilearnphysics-learn-physics/id633083862)

Master physics concepts with tutorials, a formula calculator, and quizzes. Explore mechanics and electromagnetism topics. Upgrade to unlock additional content and enhance your learning experience.

**Highlights:** Core concept tutorials, Formulas calculator, Quizzes, Mechanics topics, Electromagnetism topics, Pro version upgrade

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro | $0.99 | one-time |


### Photronium

[App page](https://appshunter.io/ios/app/photronium-physics-equations/id1546383517)

Access over 360 physics equations with clear explanations and powerful search tools. Test your knowledge with custom quizzes and learn offline anywhere, anytime. This educational reference is designed for learners of all levels.

**Highlights:** 360+ physics equations, Offline access, Intelligent Search, Symbol Search, Customizable quizzes, Bookmarking

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multicolored Bookmarks | $0.99 | one-time |


## Frequently asked questions

### Is iLearnPhysics free?

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

### Is Photronium free?

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

### Which has better reviews, iLearnPhysics or Photronium?

Photronium is rated higher. iLearnPhysics averages 3.5 out of 5 from 11 ratings, while Photronium averages 5.0 from 8 ratings.

### Do iLearnPhysics or Photronium have ads?

Neither iLearnPhysics nor Photronium shows ads.

### Which is updated more often, iLearnPhysics or Photronium?

iLearnPhysics ships an update every 51 months, and Photronium monthly. Most recently, iLearnPhysics was updated on August 18, 2026 and Photronium on September 18, 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.*