Crassus vs ROFROST
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Crassus
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Crassus is the problem solver for connecting different pipe systems. With the Adapter Finder, our app helps you quickly identify the right adapter for two identical or different pipe systems. On the product pages, you’ll find all relevant information and details (images, dimensions, specifications, videos, and more). The dealer search helps you find a sanitary, building materials, or civil engineering supplier near you. Already trusted by more than 18,000 smart installers! Key Features: - Adapter Finder: Quickly finds the right adapter for connecting identical or different pipe systems. - Dealer Search: Shows sanitary, building materials, and civil engineering dealers and other suppliers near you. - Product Catalog: All Crassus products with images, dimensions, specifications, and detailed information. - Pipe Encyclopedia: Discover over 280 pipe systems with more than 3,500 pipe variants. - Multi-language: German and English. - Display Modes: Light Mode and Dark Mode. - Available for smartphones and tablets.
ROFROST
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Berechnung der Einfrierparameter und Dokumentation von Einfriervorgängen mit dem Rothenberger ROFROST Gerät.
Screenshots
Verdict
The clearest difference is update cadence: ROFROST at every 5 weeks against Crassus's every 15 months. ROFROST also leads on iOS requirement (11.4 vs 15.1). 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.
Crassus ships an update every 15 months, ROFROST every 5 weeks. Both last shipped on September 17, 2026.
| Parameter | Crassus | ROFROST |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 15 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 11.4 — better |
| Further details — not scored | ||
| Size | 76 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Crassus GmbH & Co. KG | Rothenberger Werkzeuge GmbH |
In-app purchases
Crassus
No in-app purchases
ROFROST
No in-app purchases
