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Threema is a mobile messaging app that puts security and privacy first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages. You can use Threema completely anonymously, without giving away personal information such as phone numbers or email addresses. Your messages will be deleted from our servers immediately after being delivered. Therefore, you’re perfectly protected against data abuse.
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.–
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)

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SPECIAL FEATURES
Threema differs from other mobile messenger by some special features.

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• 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.

Screenshots
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