# Cat CPU System vs Coolbench

The clearest difference is in-app purchases: Cat CPU System at none against Coolbench's 1. Cat CPU System also leads on update cadence (weekly vs every 3 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Coolbench sells 1 one-off in-app purchase. Cat CPU System asks for nothing beyond the download.

Cat CPU System ships an update weekly, Coolbench every 3 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cat CPU System | Coolbench |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 39 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brook Design, LLC](https://appshunter.io/developer/1190785004) | [Monirujjaman Monjil](https://appshunter.io/developer/1896125187) |

## What reviewers say

### Cat CPU System

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Coolbench

[App page](https://appshunter.io/ios/app/coolbench-hvac-calculator/id6785438308)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coolbench Pro | $12.99 | one-time |


## Frequently asked questions

### Is Cat CPU System free?

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

### Is Coolbench free?

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

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

Neither Cat CPU System nor Coolbench shows ads.

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

Cat CPU System ships an update weekly, and Coolbench every 3 months. Most recently, Cat CPU System was updated on October 27, 2026 and Coolbench on October 25, 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.*