# Knax vs This is Rush!

The clearest difference is iOS requirement: This is Rush! at 13.0 against Knax's 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Knax ships an update every 6 weeks, This is Rush! every 3 weeks. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Knax | This is Rush! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 2 MB | 147 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 17+ |
| Developer | [Jan Hultstrom](https://appshunter.io/developer/1057981531) | [OCCENTIA LIMITED](https://appshunter.io/developer/1824120014) |

## What reviewers say

### Knax

[App page](https://appshunter.io/ios/app/knax/id6503453192)

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

**In-app purchases:** none


### This is Rush!

[App page](https://appshunter.io/ios/app/this-is-rush/id6748054441)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knax free?

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

### Is This is Rush! free?

This is Rush! is free to download, with no in-app purchases.

### Do Knax or This is Rush! have ads?

Neither Knax nor This is Rush! shows ads.

### Which is updated more often, Knax or This is Rush!?

Knax ships an update every 6 weeks, and This is Rush! every 3 weeks. Most recently, Knax was updated on October 6, 2026 and This is Rush! on October 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.*