# Qlix vs CS Revision

The clearest difference is update cadence: Qlix at every 10 days against CS Revision's every 34 months. Qlix also leads on iOS requirement (15.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Qlix ships an update every 10 days, CS Revision every 34 months. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Qlix | CS Revision |
| --- | --- | --- |
| 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 | No |
| Ads | — | No |
| Update frequency | **Every 10 days** | Every 34 months |
| Monetization | — | Free |
| Size | 5 MB | 15 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Qlix Limited](https://appshunter.io/developer/1363956772) | [Grigor Dochev](https://appshunter.io/developer/1459885994) |

## What reviewers say

### Qlix

[App page](https://appshunter.io/ios/app/qlix-teachers-plannerdiary/id1363956773)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Qlix free?

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

### Is CS Revision free?

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

### Which is updated more often, Qlix or CS Revision?

Qlix ships an update every 10 days, and CS Revision every 34 months. Most recently, Qlix was updated on October 25, 2026 and CS Revision on November 3, 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.*