# 三年级上册语文 vs 投屏控制器

The clearest difference is in-app purchases: 投屏控制器 at none against 三年级上册语文's 1. 三年级上册语文's advantage is device support and iOS requirement (8.0 vs 12.0). On price there is nothing between them.

Both are free to download. 三年级上册语文 sells 1 one-off in-app purchase. 投屏控制器 asks for nothing beyond the download.

## The numbers

| Metric | 三年级上册语文 | 投屏控制器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Size | 136 MB | 1 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [艳枝 彭](https://appshunter.io/developer/1554425667) | [Dajia Technology (Shenzhen) Co., Ltd.](https://appshunter.io/developer/1391476924) |

## What reviewers say

### 三年级上册语文

[App page](https://appshunter.io/ios/app/id1566768987)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁整本课本内容 | $1.99 | one-time |


### 投屏控制器

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

**In-app purchases:** none


## Frequently asked questions

### Is 三年级上册语文 free?

三年级上册语文 is free to download, with in-app purchases available.

### Is 投屏控制器 free?

投屏控制器 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.*