# 百思文库 vs 星火教师

The clearest difference is in-app purchases: 星火教师 at none against 百思文库's 3. 星火教师 also leads on device support. 百思文库's advantage is iOS requirement (12.0 vs 15.0). On price there is nothing between them.

Both are free to download. 百思文库 sells 3 in-app purchases, starting at $2.99 per 7 days. 星火教师 asks for nothing beyond the download.

## The numbers

| Metric | 百思文库 | 星火教师 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | — | Fortnightly |
| Size | 16 MB | 92 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [敏飞 任](https://appshunter.io/developer/1733484219) | [广州晓晓教育科技有限公司](https://appshunter.io/developer/1346496404) |

## What reviewers say

### 百思文库

[App page](https://appshunter.io/ios/app/ai/id6502648145)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级会员 | $2.99 | per 7 days |
| 高级会员 | $3.99 | per month |
| 高级会员 | $24.99 | per year |


### 星火教师

[App page](https://appshunter.io/ios/app/id6743791578)

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

**In-app purchases:** none


## Frequently asked questions

### Is 百思文库 free?

百思文库 is free to download, with in-app purchases available.

### Is 星火教师 free?

星火教师 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.*