# 观测云 vs AI日程

The clearest difference is device support: 观测云 at 2 against AI日程's —. AI日程's advantage is iOS requirement (12.0 vs 17.0). 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 | 观测云 | AI日程 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 weeks | — |
| Size | 27 MB | 88 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 17+ |
| Developer | [常州观测云信息科技有限公司](https://appshunter.io/developer/6796597087) | [京盟世纪(北京)科技有限公司](https://appshunter.io/developer/1483546857) |

## What reviewers say

### 观测云

[App page](https://appshunter.io/ios/app/id1494097190)

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

**In-app purchases:** none


### AI日程

[App page](https://appshunter.io/ios/app/ai/id1671960778)

**In-app purchases:** none


## Frequently asked questions

### Is 观测云 free?

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

### Is AI日程 free?

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

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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.*