# PDF转换器 vs Image to PDF Easy

The clearest difference is iOS requirement: PDF转换器 at 12.0 against Image to PDF Easy's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PDF转换器 sells 3 in-app purchases, starting at $3.99 per month and Image to PDF Easy sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 9, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | PDF转换器 | Image to PDF Easy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 9 MB | 24 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jiujiu Service Co., Ltd.](https://appshunter.io/developer/1664391586) | [Wuhan Zhiya Technology Co., Ltd.](https://appshunter.io/developer/1627147500) |

## What reviewers say

### PDF转换器

[App page](https://appshunter.io/ios/app/pdf-pdf/id1669152511)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $3.99 | per month |
| 年会员 | $12.99 | per year |
| 永久会员 | $14.99 | one-time |


### Image to PDF Easy

[App page](https://appshunter.io/ios/app/image-to-pdf-easy/id6444122550)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 赞助一下 | $0.99 | one-time |


## Frequently asked questions

### Is PDF转换器 free?

PDF转换器 is free to download, with in-app purchases available.

### Is Image to PDF Easy free?

Image to PDF Easy is free to download, with in-app purchases available.

### Do PDF转换器 or Image to PDF Easy have ads?

Neither PDF转换器 nor Image to PDF Easy shows ads.

### Which is updated more often, PDF转换器 or Image to PDF Easy?

PDF转换器 ships an update every 2 months, and Image to PDF Easy every 2 months. Most recently, PDF转换器 was updated on October 9, 2026 and Image to PDF Easy on October 27, 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.*