Threema beta program

Thank you for your interest in testing the beta version of Threema. Please note:

  • Beta versions can contain bugs, and data loss may occur. Be sure to create a backup before installing the beta version!
  • In order to participate in the beta program, it’s required that you have purchased the regular app version on Google Play or the App Store.
  • In order to make voice calls, both parties (i.e., caller and callee) must use the latest beta version.

Please select your device platform

Threema calls are currently not supported on Windows Phone. Thank you for your understanding!