Comparison

Crassus vs ROFROST

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Crassus

Features
Read full description

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.

About

ROFROST

Features
Read full description

Berechnung der Einfrierparameter und Dokumentation von Einfriervorgängen mit dem Rothenberger ROFROST Gerät.

Screenshots

Crassus4 screens
ROFROST3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Crassus ships an update every 15 months, ROFROST every 5 weeks. Both last shipped on September 17, 2026.

Scorecard2 real differences · 4 level
Crassus versus ROFROST: the parameters behind the verdict, then further details
ParameterCrassusROFROST
PriceFreeFree
Update frequencyEvery 15 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.111.4 — better
Further details — not scored
Size76 MB29 MB
Age rating4+4+
DeveloperCrassus GmbH & Co. KGRothenberger Werkzeuge GmbH

In-app purchases

None

Crassus

No in-app purchases

None

ROFROST

No in-app purchases

Questions

Is Crassus free?
Crassus is free to download, with no in-app purchases.
Is ROFROST free?
ROFROST is free to download, with no in-app purchases.
Do Crassus or ROFROST have ads?
Neither Crassus nor ROFROST shows ads.
Which is updated more often, Crassus or ROFROST?
Crassus ships an update every 15 months, and ROFROST every 5 weeks. Most recently, Crassus was updated on September 17, 2026 and ROFROST on September 17, 2026.

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