# Photronium vs Karunya Physics Classes

The clearest difference is in-app purchases: Karunya Physics Classes at none against Photronium's 1. 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. Karunya Physics Classes asks for nothing beyond the download.

## The numbers

| Metric | Photronium | Karunya Physics Classes |
| --- | --- | --- |
| 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 | — |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 158 MB |
| Requires iOS | 16.4 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hao Nguyen](https://appshunter.io/developer/1546383519) | [R K Infotech](https://appshunter.io/developer/859792762) |

## 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 |


### Karunya Physics Classes

[App page](https://appshunter.io/ios/app/karunya-physics-classes/id6762608012)

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

**In-app purchases:** none


## Frequently asked questions

### Is Photronium free?

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

### Is Karunya Physics Classes free?

Karunya Physics Classes is free to download, with no in-app purchases.

### Do Photronium or Karunya Physics Classes have ads?

Neither Photronium nor Karunya Physics Classes shows ads.

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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.*