# Cat CPU System vs Ai Battery

The clearest difference is update cadence: Cat CPU System at weekly against Ai Battery's monthly. On price, ads, 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.

Cat CPU System ships an update weekly, Ai Battery monthly. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Cat CPU System | Ai Battery |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 39 MB | 34 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Brook Design, LLC](https://appshunter.io/developer/1190785004) | [Jiangsu Hybrid Energy Technology Co., Ltd](https://appshunter.io/developer/1653244701) |

## What reviewers say

### Cat CPU System

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Ai Battery

[App page](https://appshunter.io/ios/app/ai-battery/id6760984399)

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

**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 Ai Battery free?

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

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

Neither Cat CPU System nor Ai Battery shows ads.

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

Cat CPU System ships an update weekly, and Ai Battery monthly. Most recently, Cat CPU System was updated on November 8, 2026 and Ai Battery on November 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.*