# OpenViewer vs AllDocs

The clearest difference is in-app purchases: OpenViewer at none against AllDocs's 1. AllDocs's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. AllDocs sells 1 one-off in-app purchase. OpenViewer asks for nothing beyond the download.

## The numbers

| Metric | OpenViewer | AllDocs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Size | 41 MB | 10 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BongJun Park](https://appshunter.io/developer/1887269135) | [Byoungho Kim](https://appshunter.io/developer/1888452963) |

## What reviewers say

### OpenViewer

[App page](https://appshunter.io/ios/app/openviewer/id6763845346)

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

**In-app purchases:** none


### AllDocs

[App page](https://appshunter.io/ios/app/alldocs-document-viewer/id6782943234)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AllDocs Pro (Lifetime) | $5.99 | one-time |


## Frequently asked questions

### Is OpenViewer free?

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

### Is AllDocs free?

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

### Do OpenViewer or AllDocs have ads?

OpenViewer shows ads; AllDocs 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.*