# PDF Master vs PDF AI

PDF Master and PDF AI are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. PDF Master sells 6 in-app purchases, starting at $0.99 per 7 days and PDF AI sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | PDF Master | PDF AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | — |
| Size | 8 MB | 7 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [程 张](https://appshunter.io/developer/1523996955) | [Doreen Eichelberger](https://appshunter.io/developer/1764091825) |

## What reviewers say

### PDF Master

[App page](https://appshunter.io/ios/app/pdf-master-reader-and-converter/id1645087890)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF转换器Pro周VIP | $0.99 | per 7 days |
| PDF转换器Pro月会员 | $3.99 | per month |
| Weekly PDF Premium | $7.99 | per 7 days |
| PDF转换器Pro年会员 | $12.99 | per year |
| Monthly PDF Premium | $12.99 | per month |
| Annual PDF Premium | $29.99 | per year |


### PDF AI

[App page](https://appshunter.io/ios/app/pdf-ai-doc-scan-editor-reader/id6636529981)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $5.99 | per month |
| 1 Year Premium | $39.99 | per year |


## Frequently asked questions

### Is PDF Master free?

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

### Is PDF AI free?

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

### Do PDF Master or PDF AI have ads?

Neither PDF Master nor PDF AI shows 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.*