# 账号本 vs 文件预览助手

The clearest difference is update cadence: 文件预览助手 at every 2 weeks against 账号本's every 35 months. 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.

账号本 ships an update every 35 months, 文件预览助手 every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 账号本 | 文件预览助手 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 2 weeks** |
| Size | 10 MB | 56 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [卓 周](https://appshunter.io/developer/1492783487) | [北京创效未来](https://appshunter.io/developer/1714229626) |

## What reviewers say

### 账号本

[App page](https://appshunter.io/ios/app/id1538737091)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 账号本 free?

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

### Is 文件预览助手 free?

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

### Do 账号本 or 文件预览助手 have ads?

Neither 账号本 nor 文件预览助手 shows ads.

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

账号本 ships an update every 35 months, and 文件预览助手 every 2 weeks. Most recently, 账号本 was updated on November 3, 2026 and 文件预览助手 on October 31, 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.*