Crassus vs Flue Gas Analysis
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.
Flue Gas Analysis
View and export flue gas analysis data from Wöhler Analyzers on your mobile device. Configure graphical displays and save measurements in various formats like PDF, CSV, and XML.
- Graphical and numerical display of measured values
- Configuration of graphical display
- Save measured values as PDF, CSV, XML, JPG
- Configuration of PDF file
- Export data from Wöhler Analyzers
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"With this app, the measured values of the Wöhler Analyzers A 450 and A 550 can be displayed graphically and numerically on the mobil device and exported. Functions: * * Graphical and numerical display of measured values * Configuration of the graphical display * Save the measured values as PDF, CSV, XML, JPG * Configuration of the PDF file About Wöhler: Wöhler has been a technically oriented, internationally operating family business for over 90 years. We develop innovative measuring, inspection and cleaning equipment for heating, ventilation and building applications. Our products are always tailored to the needs of our customers"
Screenshots
Verdict
The clearest difference is update cadence: Flue Gas Analysis at every 2 months against Crassus's every 15 months. Flue Gas Analysis also leads on iOS requirement (12.2 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, Flue Gas Analysis every 2 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.
| Parameter | Crassus | Flue Gas Analysis |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 15 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 12.2 — better |
| Further details — not scored | ||
| Size | 76 MB | 147 MB |
| Age rating | 4+ | 4+ |
| Developer | Crassus GmbH & Co. KG | Woehler Technik GmbH |
In-app purchases
Crassus
No in-app purchases
Flue Gas Analysis
No in-app purchases






