Threema. The Secure Messenger
About
Threema is the world’s best-selling secure messenger and keeps your data out of the hands of hackers, corporations, and governments. The service can be used completely anonymously. Threema is open source and offers every feature one would expect from a state-of-the-art instant messenger. The app also allows to make end-to-end encrypted voice, video and group calls. Using the desktop app and the web client, you can also use Threema from your desktop. PRIVACY AND ANONYMITY Threema is designed from the ground up to generate as little data on servers as possible. Group memberships and contact lists are managed on your device only, and never stored on our servers. Messages are immediately deleted after they have been delivered. Local files are stored encrypted on your mobile phone or tablet. A
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How to install Threema. The Secure Messenger on iOS
- Download UnKeySign on your iPhone
- Import Threema. The Secure Messenger IPA into UnKeySign
- Add your P12 certificate and provisioning profile
- Tap Sign — the app installs automatically