# OpenViewer vs DjVuView

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

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

OpenViewer ships an update every 2 months, DjVuView monthly. Both last shipped on November 5, 2026.

## The numbers

| Metric | OpenViewer | DjVuView |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Size | 41 MB | 5 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [BongJun Park](https://appshunter.io/developer/1887269135) | [Bostan Constantin](https://appshunter.io/developer/853940020) |

## What reviewers say

### OpenViewer

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

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

**In-app purchases:** none


### DjVuView

[App page](https://appshunter.io/ios/app/djvuview/id6774936684)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DjVu Pro | $1.89 | one-time |


## Frequently asked questions

### Is OpenViewer free?

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

### Is DjVuView free?

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

### Do OpenViewer or DjVuView have ads?

OpenViewer shows ads; DjVuView does not.

### Which is updated more often, OpenViewer or DjVuView?

OpenViewer ships an update every 2 months, and DjVuView monthly. Most recently, OpenViewer was updated on November 5, 2026 and DjVuView on November 5, 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.*