Comparison

Crassus vs JP i

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

Head to head
About

Crassus

Features
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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.

About

JP i

Features
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JUDO JP i-kom – Wasserqualität professionell messen und verwalten Mit der JUDO JP i-kom App wird die Erfassung und Dokumentation der Wasserqualität in Heiz- und Kühlkreisläufen so einfach wie nie zuvor. In Kombination mit dem JP i-kom Kombi-Messgerät liefert die App präzise, normgerechte Messergebnisse direkt auf dein Smartphone – jederzeit und überall. Funktionen: • Live-Anzeige von pH-Wert (0–14) • Leitfähigkeit (bis 9990 μS/cm) nach VDI 2035, VDI 6044, ÖNORM H 5195-1, SWKI BT102-01 • TDS- und Temperaturmessung • Datenspeicherung & Dokumentation per Smart-App • Individuelle Einstellungen und Kalibrierung • Unterstützung austauschbarer Messsonden (IP67) Vorteile: • Schnelle Erkennung von Korrosionsrisiken • Intuitive Bedienung: Einschalten, messen, speichern • Ideal für Fachhandwerk, Anlagenbauer & Haustechnik-Profis Ob beim Befüllen von Heizsystemen oder beim Kontrollieren bestehender Anlagen – JUDO JP i-kom bietet eine smarte Lösung für normkonforme Wasseranalysen.

Screenshots

Crassus4 screens
JP i3 screens

Verdict

The call

The clearest difference is update cadence: JP i at every 5 weeks against Crassus's every 15 months. JP i also leads on iOS requirement (13.0 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, JP i every 5 weeks. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

Scorecard2 real differences · 4 level
Crassus versus JP i: the parameters behind the verdict, then further details
ParameterCrassusJP i
PriceFreeFree
Update frequencyEvery 15 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size76 MB19 MB
Age rating4+4+
DeveloperCrassus GmbH & Co. KGJUDO Wasseraufbereitung GmbH

In-app purchases

None

Crassus

No in-app purchases

None

JP i

No in-app purchases

Questions

Is Crassus free?
Crassus is free to download, with no in-app purchases.
Is JP i free?
JP i is free to download, with no in-app purchases.
Do Crassus or JP i have ads?
Neither Crassus nor JP i shows ads.
Which is updated more often, Crassus or JP i?
Crassus ships an update every 15 months, and JP i every 5 weeks. Most recently, Crassus was updated on September 17, 2026 and JP i on September 16, 2026.

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