# CS Revision vs Physics Y11

The clearest difference is in-app purchases: CS Revision at none against Physics Y11's 1. CS Revision also leads on ads (none vs shown). Physics Y11's advantage is iOS requirement (17.6 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Physics Y11 sells 1 one-off in-app purchase. CS Revision asks for nothing beyond the download.

## The numbers

| Metric | CS Revision | Physics Y11 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/cs-revision/id1555862527/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 34 months | — |
| Monetization | Free | — |
| Size | 15 MB | 18 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Grigor Dochev](https://appshunter.io/developer/1459885994) | [Chaleepa Mallawa](https://appshunter.io/developer/1359729160) |

## What reviewers say

### CS Revision

[App page](https://appshunter.io/ios/app/cs-revision/id1555862527)

This app provides revision notes, code snippets, and diagrams for International Baccalaureate Computer Science students. It includes practice questions, progress tracking, and a forum for discussion and motivation.

**Highlights:** Revision notes, Code snippets and diagrams, Progress tracking, MCQ and exam-style practice questions, Discussion forum, Friend motivation features

**Features:** macOS Compatibility, Family Sharing

**In-app purchases:** none


### Physics Y11

[App page](https://appshunter.io/ios/app/physics-y11/id6758913358)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Physics Y11 Pro | $4.99 | one-time |


## Frequently asked questions

### Is CS Revision free?

CS Revision is free to download, with no in-app purchases.

### Is Physics Y11 free?

Physics Y11 is free to download, with in-app purchases available.

### Do CS Revision or Physics Y11 have ads?

Physics Y11 shows ads; CS Revision does not.

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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.*