# 百思文库 vs 热门文库

The clearest difference is device support: 热门文库 at 2 against 百思文库's —. 百思文库's advantage is iOS requirement (12.0 vs 15.6). On price and in-app purchases 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 and 热门文库 sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 百思文库 | 热门文库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Every 4 days |
| Size | 16 MB | 8 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [敏飞 任](https://appshunter.io/developer/1733484219) | [亚楠 武](https://appshunter.io/developer/1567713727) |

## 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 |


### 热门文库

[App page](https://appshunter.io/ios/app/id6749074141)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $0.99 | per 7 days |
| 月会员 | $2.99 | per month |
| 年会员 | $6.99 | per year |


## Frequently asked questions

### Is 百思文库 free?

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

### Is 热门文库 free?

热门文库 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.*