# 文件预览助手 vs PeekMD

The clearest difference is in-app purchases: 文件预览助手 at none against PeekMD's 3. 文件预览助手 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 26.0). PeekMD's advantage is update cadence (every 3 days vs every 2 weeks). On price and ads there is nothing between them.

Both are free to download. PeekMD sells 3 one-off in-app purchases. 文件预览助手 asks for nothing beyond the download.

文件预览助手 ships an update every 2 weeks, PeekMD every 3 days. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 文件预览助手 | PeekMD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 56 MB | 3 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [北京创效未来](https://appshunter.io/developer/1714229626) | [金苹 卢](https://appshunter.io/developer/1885537846) |

## 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


### PeekMD

[App page](https://appshunter.io/ios/app/peekmd-markdown-html-viewer/id6775353195)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10次转换次数 | $0.99 | one-time |
| PeekMD PRO | $1.99 | one-time |
| 50次转换次数 | $2.99 | one-time |


## 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 PeekMD free?

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

### Do 文件预览助手 or PeekMD have ads?

Neither 文件预览助手 nor PeekMD shows ads.

### Which is updated more often, 文件预览助手 or PeekMD?

文件预览助手 ships an update every 2 weeks, and PeekMD every 3 days. Most recently, 文件预览助手 was updated on September 21, 2026 and PeekMD on September 24, 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.*