# W&H RUBY vs DPM Scan Pro

The clearest difference is device support: DPM Scan Pro at 3 against W&H RUBY's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

W&H RUBY ships an update every 6 weeks, DPM Scan Pro monthly. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | W&H RUBY | DPM Scan Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Size | 44 MB | 18 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Windmöller & Hölscher](https://appshunter.io/developer/1568712678) | [Additive Marking GmbH](https://appshunter.io/developer/1585964987) |

## What reviewers say

### W&H RUBY

[App page](https://appshunter.io/ios/app/w-and-h-ruby/id1580019014)

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

**In-app purchases:** none


### DPM Scan Pro

[App page](https://appshunter.io/ios/app/dpm-scan-pro/id1585964985)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is W&H RUBY free?

W&H RUBY is free to download, with no in-app purchases.

### Is DPM Scan Pro free?

DPM Scan Pro is free to download, with no in-app purchases.

### Do W&H RUBY or DPM Scan Pro have ads?

Neither W&H RUBY nor DPM Scan Pro shows ads.

### Which is updated more often, W&H RUBY or DPM Scan Pro?

W&H RUBY ships an update every 6 weeks, and DPM Scan Pro monthly. Most recently, W&H RUBY was updated on September 8, 2026 and DPM Scan Pro on September 10, 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.*