# 投屏控制器 vs 热门文库

The clearest difference is in-app purchases: 投屏控制器 at none against 热门文库's 3. 投屏控制器 also leads on iOS requirement (12.0 vs 15.6). 热门文库's advantage is device support. On price there is nothing between them.

Both are free to download. 热门文库 sells 3 in-app purchases, starting at $0.99 per 7 days. 投屏控制器 asks for nothing beyond the download.

## The numbers

| Metric | 投屏控制器 | 热门文库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 4 days |
| Size | 1 MB | 8 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Dajia Technology (Shenzhen) Co., Ltd.](https://appshunter.io/developer/1391476924) | [亚楠 武](https://appshunter.io/developer/1567713727) |

## What reviewers say

### 投屏控制器

[App page](https://appshunter.io/ios/app/id6489178174)

**In-app purchases:** none


### 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 投屏控制器 free?

投屏控制器 is free to download, with no in-app purchases.

### 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.*