bimCAD + Luftverbund App vs Crown Centrex
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
bimCAD + Luftverbund App
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bimCAD app - drawing and Hottscan in one app. Start collecting data for your BIM project on site. With the basic drawing module of the bimCAD app, you can quickly record rooms and building floor plans on site with ease. In the free entry-level version you can manage projects, draw in 2D, display a 3D view, take notes, add photos to objects such doors, windows and rooms. The result is displayed at the push of a button in a number of printout templates. The HottScan module enables you position scanners in your drawings, which can then be linked to scans and brings other useful features with it. For Example, the type of room and the floor are assigned directly onto the scans of the hardware itself via the app. There is also a remote controlling feature of the scanner. HottScan hardware is required for these functions.
Crown Centrex
Transform your smartphone into a mobile extension of your virtual PBX. Make and receive calls worldwide using your landline number for cost-efficient and mobile communication. Access all the features of your Gamma Cloud PBX system directly from your device.
- Smartphone as mobile PBX extension
- Worldwide calls with landline number
- Cost-efficient mobile calling
- Access to PBX features
- Gamma Cloud PBX integration
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Crown cetrex is a modern communication serviceof Gamma. Get your telephone system to your phone. With this app you can use your smartphone as a mobile extension of your virtual PBX. Start and receive worldwide calls with your landline number so that you can telephone cost-efficient and mobile. Take advantage of the functions of your PBX and all the features of Gamma Cloud PBX
Screenshots
Verdict
bimCAD + Luftverbund App and Crown Centrex are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
bimCAD + Luftverbund App ships an update every 3 months, Crown Centrex every 6 months. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.
| Parameter | bimCAD + Luftverbund App | Crown Centrex |
|---|---|---|
| Price | Free | Free |
| Positive reviews | โ | 0.0% of reviews |
| Update frequency | Every 3 months โ better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | โ | Free |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 12.0 โ better | 13.0 |
| Further details โ not scored | ||
| Size | 157 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Hottgenroth Software AG | Gamma Communications GmbH |
In-app purchases
bimCAD + Luftverbund App
No in-app purchases
Crown Centrex
No in-app purchases
Questions
Is bimCAD + Luftverbund App free?
Is Crown Centrex free?
Do bimCAD + Luftverbund App or Crown Centrex have ads?
Which is updated more often, bimCAD + Luftverbund App or Crown Centrex?
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