# AYX vs PDF转换器

The clearest difference is in-app purchases: AYX at none against PDF转换器's 3. AYX also leads on update cadence (fortnightly vs every 6 weeks). PDF转换器's advantage is iOS requirement (12.4 vs 15). On price, ads and device support there is nothing between them.

Both are free to download. PDF转换器 sells 3 in-app purchases, starting at $2.49 per month. AYX asks for nothing beyond the download.

AYX ships an update fortnightly, PDF转换器 every 6 weeks. The most recent releases landed on September 9, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | AYX | PDF转换器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 19 MB | 23 MB |
| Requires iOS | 15 | **12.4** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [标 何](https://appshunter.io/developer/865933036) | [Taizhou Yichao Trade Co.,Ltd.](https://appshunter.io/developer/1639286547) |

## What reviewers say

### AYX

[App page](https://appshunter.io/ios/app/ayx/id1439793580)

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

**In-app purchases:** none


### PDF转换器

[App page](https://appshunter.io/ios/app/pdf-pdf-and-pdf/id1639286545)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专业PDF转换器阅读编辑器月会员 | $2.49 | per month |
| 专业PDF转换器阅读编辑器年会员 | $24.49 | per year |
| 专业PDF转换器阅读编辑器永久会员 | $45.99 | one-time |


## Frequently asked questions

### Is AYX free?

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

### Is PDF转换器 free?

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

### Do AYX or PDF转换器 have ads?

Neither AYX nor PDF转换器 shows ads.

### Which is updated more often, AYX or PDF转换器?

AYX ships an update fortnightly, and PDF转换器 every 6 weeks. Most recently, AYX was updated on September 9, 2026 and PDF转换器 on May 16, 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.*