# PDFlow vs OneOpen

The clearest difference is ads: OneOpen at none against PDFlow's shown. On price, in-app purchases, device support and iOS requirement 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 | PDFlow | OneOpen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Weekly |
| Size | 9 MB | 12 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [David Villegas](https://appshunter.io/developer/1617174909) | [Freedom Dimension (shenzhen) Technology Co., Ltd](https://appshunter.io/developer/6776064465) |

## What reviewers say

### PDFlow

[App page](https://appshunter.io/ios/app/pdflow/id6748611572)

**Features:** macOS Compatibility

**In-app purchases:** none


### OneOpen

[App page](https://appshunter.io/ios/app/oneopen-file-viewer/id6792251542)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDFlow free?

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

### Is OneOpen free?

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

### Do PDFlow or OneOpen have ads?

PDFlow shows ads; OneOpen does not.

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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.*