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, allows to make end-to-end encrypted voice and video calls, and offers every feature one would expect from a state-of-the-art instant messenger. With Threema Web, you can also use Threema from your Desktop.
Threema. Secure and private Messenger App
Keith Parker – ★★★★★
Download Threema. Secure and private Messenger App
SERVERS IN SWITZERLAND
All our servers are located in Switzerland, and we develop our software in-house.
Each Threema user receives a random Threema ID for identification. A phone number or email address is not required to use Threema. This unique feature allows you to use Threema completely anonymously – no need to give up private information or to open an account.
The main feature of Threema
- Write text and send voice messages
- Make voice and video calls
- Share videos pictures and locations
- Send any type of file (pdf animated gif, mp3, doc, zip, etc.)
- Use Threema Web to chat from your Desktop
- Create groups
- Conduct polls with the poll feature
- Choose between a dark and a light theme
- Quickly and silently reply with the unique agree/disagree feature
- Verify the identity of a contact by scanning their personal QR code
- Use Threema as anonymous instant messaging tool
- Synchronize your contacts (optional)