# 图片转PDF：文档格式转换 vs PDF合并拆分助手

The clearest difference is iOS requirement: PDF合并拆分助手 at 13.0 against 图片转PDF：文档格式转换's 16. 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 | 图片转PDF：文档格式转换 | PDF合并拆分助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Every 6 weeks |
| Size | 15 MB | 78 MB |
| Requires iOS | 16 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) | [Qun Cao](https://appshunter.io/developer/1655069600) |

## What reviewers say

### 图片转PDF：文档格式转换

[App page](https://appshunter.io/ios/app/pdf/id6747079477)

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

**In-app purchases:** none


### PDF合并拆分助手

[App page](https://appshunter.io/ios/app/pdf-pdf/id6770174946)

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

**In-app purchases:** none


## Frequently asked questions

### Is 图片转PDF：文档格式转换 free?

图片转PDF：文档格式转换 is free to download, with no in-app purchases.

### Is PDF合并拆分助手 free?

PDF合并拆分助手 is free to download, with no in-app purchases.

### Do 图片转PDF：文档格式转换 or PDF合并拆分助手 have ads?

Both 图片转PDF：文档格式转换 and PDF合并拆分助手 show 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.*