Threema

Threema is an instant messaging app from Switzerland with Apps for iOS, Android, Windows, macOS and Linux. The communication is end-to-end encrypted and the apps are open source.
The app can be downloaded here:

Pricing

Threema costs 3.99€ in the App Store and Play Store.

Other products in category Instant messaging apps

Want product news and updates?

Sign up for our newsletter.

Sign Up

Any suggestions?

Use the chat in the right bottom corner