# 松鼠AI课堂 vs 北斗知识星球

The clearest difference is in-app purchases: 松鼠AI课堂 at none against 北斗知识星球's 1. On price and iOS requirement there is nothing between them.

Both are free to download. 北斗知识星球 sells 1 one-off in-app purchase. 松鼠AI课堂 asks for nothing beyond the download.

## The numbers

| Metric | 松鼠AI课堂 | 北斗知识星球 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Size | 197 MB | 822 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | **iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Squirrel Class AI Technology Ltd.](https://appshunter.io/developer/1435490039) | [Beijing Dipper Publishing Co., Ltd.](https://appshunter.io/developer/1465064938) |

## What reviewers say

### 松鼠AI课堂

[App page](https://appshunter.io/ios/app/ai/id1439797920)

**Features:** macOS Compatibility

**In-app purchases:** none


### 北斗知识星球

[App page](https://appshunter.io/ios/app/id6550893575)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 地球仪图片 | Free | one-time |


## Frequently asked questions

### Is 松鼠AI课堂 free?

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

### Is 北斗知识星球 free?

北斗知识星球 is free to download, with in-app purchases available.

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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.*