Crassus vs whiteAIR
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.
whiteAIR
Control, automate, and monitor your decentralized ventilation system from your smartphone. Achieve healthy, energy-efficient home ventilation with ease.
- Remote system control
- Automation capabilities
- Real-time monitoring
- Smartphone integration
- Energy-efficient operation
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Experience the future of home ventilation. With the whiteAIR app, you can conveniently control, automate and monitor your decentralized ventilation system via your smartphone in combination with its control unit. Healthy, energy-efficient ventilation has never been so easy.
Screenshots
Verdict
Crassus and whiteAIR are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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, whiteAIR every 8 months. The most recent releases landed on September 17, 2026 and October 8, 2026 respectively.
| Parameter | Crassus | whiteAIR |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 15 months | Every 8 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 76 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Crassus GmbH & Co. KG | Klimatechnik Weiss GmbH |
In-app purchases
Crassus
No in-app purchases
whiteAIR
No in-app purchases









