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SECURE END-TO-END ENCRYPTION
Compared to other popular messaging apps (including those claiming to use encryption), even we as the server operator have absolutely no way to read your messages.
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HIGH LEVEL OF DATA PROTECTION
Threema takes data privacy very seriously. We strive to store only the absolutely necessary information for the shortest possible time. We guarantee that we do not collect, evaluate or sell customer data. That is our promise.
STANDARD FEATURES
Threema is not only secure but also very user friendly and covers the basic features of a mobile messenger.
write text messages
send videos and pictures
share locations
send voice messages
create group chats and add new members
synchronize your contacts (optional)
SPECIAL FEATURES
Threema differs from other mobile messenger by some special features.
all text and voice messages as well as pictures, videos, and GPS locations are asymmetrically end-to-end encrypted
even group chats are end-to-end encrypted
verify the identity of a contact by scanning their personal QR code
anonymous instant messaging
nobody can read or evaluate your data
local files are stored encrypted on your mobile phone
The Threema application is constantly being improved.
PERMISSIONS
Threema requires the following permissions while installing the application. These permissions are only used if the corresponding functionality is requested.
Read your contacts / modify your contacts: used for address book synchronization. When the synchronization is turned off, your contact data is not read or modified.
Receive text messages: used for automatically linking your Threema ID to a mobile phone number. This permission is used only during the initial verification process.
Precise location (GPS and network based): used for "send location" feature.
Add or remove accounts, find accounts, create accounts: required for contact synchronization and integration in Android's account management.
Modify or delete the contents of your USB storage: required for storing media files (images, videos, audio).
Read phone status and identity: pre-fills your phone number if linking is desired. Only used during initial setup.
Threema's functionality can be futher extended by separately downloadable plugins which may require additional permissions (e.g. access to camera, microphone).
Download Here.
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