# AR书香地球 vs 地球上的百科知识

The clearest difference is device support: AR书香地球 at 3 against 地球上的百科知识's —. AR书香地球 also leads on iOS requirement (11.0 vs 15.6). 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 | AR书香地球 | 地球上的百科知识 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 5 weeks | — |
| Size | 705 MB | 19 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Shuxiang Wenya Book Culture Co., Ltd.](https://appshunter.io/developer/1693173654) | [汉斌 李](https://appshunter.io/developer/1087748767) |

## What reviewers say

### AR书香地球

[App page](https://appshunter.io/ios/app/ar/id6469944864)

**Features:** macOS Compatibility

**In-app purchases:** none


### 地球上的百科知识

[App page](https://appshunter.io/ios/app/id6754709742)

**In-app purchases:** none


## Frequently asked questions

### Is AR书香地球 free?

AR书香地球 is free to download, with no in-app purchases.

### Is 地球上的百科知识 free?

地球上的百科知识 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.*