# CatAI vs 倒计时

The clearest difference is iOS requirement: CatAI at 11.0 against 倒计时's 13.0. On price 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.

## The numbers

| Metric | CatAI | 倒计时 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Size | 41 MB | 6 MB |
| Requires iOS | **11.0** | 13.0 |
| Age rating | 4+ | 4+ |
| Developer | [Aisirui Technology](https://appshunter.io/developer/1504846434) | [爱丽 周](https://appshunter.io/developer/1651181909) |

## What reviewers say

### CatAI

[App page](https://appshunter.io/ios/app/catai/id6448028126)

**In-app purchases:** none


### 倒计时

[App page](https://appshunter.io/ios/app/id6476398226)

**In-app purchases:** none


## Frequently asked questions

### Is CatAI free?

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

### Is 倒计时 free?

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

---

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