# Cat CPU System vs CPU

The clearest difference is ads: Cat CPU System at none against CPU's shown. CPU's advantage is update cadence (daily vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Cat CPU System ships an update weekly, CPU daily. Both last shipped on October 3, 2026.

## The numbers

| Metric | Cat CPU System | CPU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Daily** |
| Size | 39 MB | 5 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brook Design, LLC](https://appshunter.io/developer/1190785004) | [Renya Miyahara](https://appshunter.io/developer/6789789604) |

## What reviewers say

### Cat CPU System

[App page](https://appshunter.io/ios/app/cat-cpu-system/id6695728672)

**Features:** macOS Compatibility

**In-app purchases:** none


### CPU

[App page](https://appshunter.io/ios/app/cpu-g/id6793358304)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cat CPU System free?

Cat CPU System is free to download, with no in-app purchases.

### Is CPU free?

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

### Do Cat CPU System or CPU have ads?

CPU shows ads; Cat CPU System does not.

### Which is updated more often, Cat CPU System or CPU?

Cat CPU System ships an update weekly, and CPU daily. Most recently, Cat CPU System was updated on October 3, 2026 and CPU on October 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.*