Threema, the world’s preferred secure messaging system, protects your data from hackers, corporations and governments. Threema can be used completely anonymously, allowing you to make end-to-end encrypted voice calls and offers all the features you expect from an advanced instant messaging service.
Threema encrypts ALL of your BOUT-EN-BOUT communications, including messages, voice calls, group discussions, media files, and even status messages. Rest assured that only the recipient will be able to read your discussions, and no one else will, even us. Threema uses a trusted open source cryptography library for its NACl encryption.
+ Create group discussions, add and remove members at any time
+ Choose between a dark theme and a clear theme
+ Answer quickly and silently with the original tuning / disallowing functionality
+ synchronize your contacts (optional)
+ verify the identity of a contact by scanning its personal QR code
For More Info Google Play
varies with device
Download Threema 3.21 Patched APK For Android