This app allows you to use your Placetel phone system on the go. Enjoy affordable rates and features like VoIP calls, call recording, and conference calls from your smartphone.
Propstack by Propstack GmbH






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Looking for something like Caya? We've analyzed 8+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.












This app allows you to use your Placetel phone system on the go. Enjoy affordable rates and features like VoIP calls, call recording, and conference calls from your smartphone.



Verify your identity securely and conveniently using your smartphone or tablet. This app supports online ID functions, video chat identification, and automated video-assisted identification for various official and partner services.




Create and share a dynamic digital business card with unique designs and animations. Easily update your contact information, which syncs automatically with all your connections. Scan physical cards with AI and manage contacts efficiently.


Monitor various levels like fuel, water, and tire pressure using your phone's sensors. Share data securely with others via a web portal. Requires specific hardware to function.


This app streamlines real estate management by coordinating stakeholders, organizing processes, and automating routine tasks. It offers efficient communication and task management for internal teams and external partners, accessible from any device.


This app provides keyless entry for apartment buildings and coworking spaces. Users can open doors with their smartphone, grant temporary access to guests, and manage transponders.