# 文件预览助手 vs Proviewer

The clearest difference is iOS requirement: 文件预览助手 at 13.0 against Proviewer's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 文件预览助手 | Proviewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 56 MB | 8 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [北京创效未来](https://appshunter.io/developer/1714229626) | [霆 沈](https://appshunter.io/developer/1895320989) |

## What reviewers say

### 文件预览助手

[App page](https://appshunter.io/ios/app/120-plus/id6761652430)

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

**In-app purchases:** none


### Proviewer

[App page](https://appshunter.io/ios/app/proviewer/id6770197693)

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

**In-app purchases:** none


## Frequently asked questions

### Is 文件预览助手 free?

文件预览助手 is free to download, with no in-app purchases.

### Is Proviewer free?

Proviewer is free to download, with no in-app purchases.

### Do 文件预览助手 or Proviewer have ads?

Neither 文件预览助手 nor Proviewer shows ads.

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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.*