Threema is the world’s best-selling secure messenger. It sets itself apart from others in the following respects:
- Privacy as a guiding principle: Threema is designed to generate as little data on servers as
technically possible.
- Full anonymity: You are not forced to provide any personal information
(such as your phone number or email address) in order to use Threema.
- Open source: To provide full transparency, the Threema apps are open source.
Anyone knowledgeable enough can confirm Threema’s security on their own.
- Optional contact synchronization: It’s not necessary to grant
access to the address book in order to use Threema.
- Comprehensive encryption: In Threema, all your communication is end-to-end encrypted – not just text messages and voice and video calls but also group chats, media files, and even status
messages.
- Rich functionality: Threema is versatile and feature-rich.
Find out how Threema stacks up against other messengers like WhatsApp, Signal, or Telegram in the comprehensive messenger comparison and the in-depth comparison of Threema and WhatsApp.
With Threema
Work and Threema Gateway, Threema also provides solutions for secure
communication in business contexts.
