# Extreme Cat Challenge vs Chackrun

The clearest difference is ads: Chackrun at none against Extreme Cat Challenge's shown. Chackrun also leads on update cadence (every 4 days vs monthly). Extreme Cat Challenge's advantage is iOS requirement (15.0 vs 17.5.1). 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.

Extreme Cat Challenge ships an update monthly, Chackrun every 4 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Extreme Cat Challenge | Chackrun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/extreme-cat-challenge/id1671800808/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 226 MB | 60 MB |
| Requires iOS | **15.0** | 17.5.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 9+ |
| Developer | [Shun Togashi](https://appshunter.io/developer/1660748746) | [Ryutaro Okamoto](https://appshunter.io/developer/1458234667) |

## What reviewers say

### Extreme Cat Challenge

[App page](https://appshunter.io/ios/app/extreme-cat-challenge/id1671800808)

Experience an intensely difficult one-tap running game with a feline protagonist. Navigate 16 challenging stages, collect items, and solve mysteries to reach the goal. Designed for easy one-handed play on vertical screens, perfect for quick breaks.

**Highlights:** One-tap controls, 16 challenging stages, Vertical screen gameplay, One-handed play, Item collection, Mystery solving

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

**In-app purchases:** none


### Chackrun

[App page](https://appshunter.io/ios/app/chackrun/id6504291881)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Extreme Cat Challenge free?

Extreme Cat Challenge is free to download, with no in-app purchases.

### Is Chackrun free?

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

### Do Extreme Cat Challenge or Chackrun have ads?

Extreme Cat Challenge shows ads; Chackrun does not.

### Which is updated more often, Extreme Cat Challenge or Chackrun?

Extreme Cat Challenge ships an update monthly, and Chackrun every 4 days. Most recently, Extreme Cat Challenge was updated on October 24, 2026 and Chackrun on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*