# 爱课堂投屏 vs Scanner Document

The clearest difference is in-app purchases: 爱课堂投屏 at none against Scanner Document's 3. 爱课堂投屏 also leads on update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Scanner Document sells 3 in-app purchases, starting at $5.99 per month. 爱课堂投屏 asks for nothing beyond the download.

爱课堂投屏 ships an update monthly, Scanner Document every 4 months. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 爱课堂投屏 | Scanner Document |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Size | 14 MB | 40 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Friend-Tech Co.,Ltd.](https://appshunter.io/developer/1115783955) | [shellmob](https://appshunter.io/developer/1573900492) |

## What reviewers say

### 爱课堂投屏

[App page](https://appshunter.io/ios/app/id1568436707)

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

**In-app purchases:** none


### Scanner Document

[App page](https://appshunter.io/ios/app/scanner-documentpdf-scanner/id6443755247)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| scanner Premium Monthly | $5.99 | per month |
| scanner Premium quarterly | $10.49 | per 3 months |
| scanner Premium Yearly | $14.99 | per year |


## Frequently asked questions

### Is 爱课堂投屏 free?

爱课堂投屏 is free to download, with no in-app purchases.

### Is Scanner Document free?

Scanner Document is free to download, with in-app purchases available.

### Do 爱课堂投屏 or Scanner Document have ads?

Neither 爱课堂投屏 nor Scanner Document shows ads.

### Which is updated more often, 爱课堂投屏 or Scanner Document?

爱课堂投屏 ships an update monthly, and Scanner Document every 4 months. Most recently, 爱课堂投屏 was updated on September 20, 2026 and Scanner Document on September 15, 2026.

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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.*