The messenger that puts security and privacy first.
Pay once, chat forever without ads.
No Ads, No Investors, No Conflicts of Interest
Threema is designed to generate as little data on servers as possible: Groups and contact lists are solely managed on users’ devices, messages are immediately deleted after delivery. This effectively prevents the collection of meta data. Learn more…
Threema end-to-end encrypts all your communication including messages, voice calls, group chats, files and even status messages. Only the intended recipient, and nobody else can read your messages.
Versatile Features, No Gimmicks
100% Swiss Made
Threema is a completely independent and fully self-financed Swiss company based in the Zürich metropolitan area. We are dedicated to privacy protection since day one. Everything is done in-house, from software development to support, and we maintain our own servers. Learn more about us…
Chat from your desktop, and have full access to all chats, contacts, and media files.
End-to-end encrypted, tap-proof, anonymous, and in brilliant voice quality.