W&H RUBY vs Paper Schmidt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
W&H RUBY
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Keep an eye on your production. No matter where you are. Live Machine Data Get an overview of how your machines are doing and see important data of your production. Push notifications Be notified if there are any delays during production
Paper Schmidt
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The PS App enables You to: - View and analyze instantly the roll profile data from Paper Schmidt PS8000 rebound hammer - Scan QR and barcodes or rolls - Verify the Paper Schmidt PS8000 hammer on a reference Anvil - Analyze the measurement statistics - View the hammer statistics - Add metadata such as images and voice notes into the measurement logbook - Export data to CSV files - Receive notifications about the new firmware availability
Screenshots
Verdict
The clearest difference is ads: W&H RUBY at none against Paper Schmidt's shown. W&H RUBY also leads on update cadence (every 6 weeks vs every 12 months). Paper Schmidt's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, Paper Schmidt every 12 months. The most recent releases landed on September 8, 2026 and September 12, 2026 respectively.
| Parameter | W&H RUBY | Paper Schmidt |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks — better | Every 12 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 44 MB | 371 MB |
| Age rating | 4+ | 4+ |
| Developer | Windmöller & Hölscher | Screening Eagle Technologies |
In-app purchases
W&H RUBY
No in-app purchases
Paper Schmidt
No in-app purchases
Questions
Is W&H RUBY free?
Is Paper Schmidt free?
Do W&H RUBY or Paper Schmidt have ads?
Which is updated more often, W&H RUBY or Paper Schmidt?
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