# Photronium vs 12thPass Classroom

The clearest difference is in-app purchases: 12thPass Classroom at none against Photronium's 1. 12thPass Classroom also leads on update cadence (every 5 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Photronium sells 1 one-off in-app purchase. 12thPass Classroom asks for nothing beyond the download.

Photronium ships an update monthly, 12thPass Classroom every 5 days. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Photronium | 12thPass Classroom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/photronium-physics-equations/id1546383517/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 39 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hao Nguyen](https://appshunter.io/developer/1546383519) | [Bozon AI Labs](https://appshunter.io/developer/1896276611) |

## What reviewers say

### 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 |


### 12thPass Classroom

[App page](https://appshunter.io/ios/app/12thpass-classroom/id6766321819)

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

**In-app purchases:** none


## Frequently asked questions

### Is Photronium free?

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

### Is 12thPass Classroom free?

12thPass Classroom is free to download, with no in-app purchases.

### Do Photronium or 12thPass Classroom have ads?

Neither Photronium nor 12thPass Classroom shows ads.

### Which is updated more often, Photronium or 12thPass Classroom?

Photronium ships an update monthly, and 12thPass Classroom every 5 days. Most recently, Photronium was updated on November 3, 2026 and 12thPass Classroom on November 9, 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.*