W&H RUBY vs Market Safe
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
Market Safe
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Market safe is here to make your coolers able to communicate over the network. Perform connectivity tests to ensure that the data is being sent correctly. Some of Market Safe's extra functions are closing and opening the door, configuring the access point of your cooler, performing connectivity tests and ensuring that the data is sent correctly.
Screenshots
Verdict
The clearest difference is update cadence: Market Safe at every 3 weeks against W&H RUBY's every 6 weeks. Market Safe also leads on iOS requirement (14.5 vs 16.0). On price, ads, in-app purchases and device support 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, Market Safe every 3 weeks. The most recent releases landed on September 8, 2026 and May 16, 2026 respectively.
| Parameter | W&H RUBY | Market Safe |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 14.5 — better |
| Further details — not scored | ||
| Size | 44 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Windmöller & Hölscher | SOFTEL |
In-app purchases
W&H RUBY
No in-app purchases
Market Safe
No in-app purchases
