Threema for
Your Platform
Mobile app
Licenses are not transferable between app stores; the respective license terms apply. Learn more…
Desktop app
To use Threema for desktop, the mobile app is required.
Web client
Installation instructions, system requirements, and further information can be found in the Desktop/Web FAQs.
Open web client
Threema for Organizations
Just like email, instant messaging has become an integral part of everyday work life. Threema Work is the secure and privacy-compliant messaging solution for organizations of all types and sizes.