# Image to PDF vs OpenViewer

Image to PDF and OpenViewer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

Image to PDF ships an update every 5 weeks, OpenViewer every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Image to PDF | OpenViewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 74 MB | 41 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HUBRION LIMITED](https://appshunter.io/developer/1797175837) | [BongJun Park](https://appshunter.io/developer/1887269135) |

## What reviewers say

### Image to PDF

[App page](https://appshunter.io/ios/app/image-to-pdf-pdf-maker/id6756966231)

**Features:** macOS Compatibility

**In-app purchases:** none


### OpenViewer

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Image to PDF free?

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

### Is OpenViewer free?

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

### Do Image to PDF or OpenViewer have ads?

Both Image to PDF and OpenViewer show ads.

### Which is updated more often, Image to PDF or OpenViewer?

Image to PDF ships an update every 5 weeks, and OpenViewer every 2 months. Most recently, Image to PDF was updated on October 25, 2026 and OpenViewer on October 24, 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.*