# PDF Viewer vs PDF Studio ‎

The clearest difference is iOS requirement: PDF Studio ‎ at 13.0 against PDF Viewer's 15.6. 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 | PDF Viewer | PDF Studio ‎ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 71 MB | 46 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Mulinshen Technology Co., Ltd](https://appshunter.io/developer/1856488734) | [Hrishi Suthar](https://appshunter.io/developer/1660005858) |

## What reviewers say

### PDF Viewer

[App page](https://appshunter.io/ios/app/pdf-viewer-ultrapdf/id6755807685)

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

**In-app purchases:** none


### PDF Studio ‎

[App page](https://appshunter.io/ios/app/pdf-studio/id6757748573)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Viewer free?

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

### Is PDF Studio ‎ free?

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

### Do PDF Viewer or PDF Studio ‎ have ads?

Neither PDF Viewer nor PDF Studio ‎ 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.*