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    Highly secure communication for businesses. Data protection, productivity, and compliance – without compromising usability.

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    Communication at the highest security level. The self-hosted communication solution for highest demands on security and confidentiality.

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    Privacy without compromise. Communicate with friends and family in complete confidentiality – no data snooping, no metadata collection, no compromises.

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  • Why Threema? Why Threema?

    Since 2012, we have been developing the Threema app in Switzerland, giving individuals, companies, and public authorities control over their data and ensuring uncompromising privacy protection.

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    “Privacy by Design” means that we view data protection not just as a legal requirement, but as a guiding principle for our products and services.

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Graphic showing Threema iOS chat screen with private and group chats and feature highlights.
Threema Private
September 25, 2022

Plenty of New Features for Threema’s iOS App

A breath of fresh air in Threema’s iOS app: With a host of new features and numerous improvements, the extensive 4.8 update offers even more privacy options and provides better handling of the chat overview. You can now mark chats as private to protect them from prying eyes, set read receipts per contact, and tidy up your chat overview with the new archive feature. If you use the web client or the desktop app on a regular basis, please read the notice at the end of this post.

Threema Private
September 20, 2022

The Privacy Pledge: An Alternative Vision to Big Tech’s Internet

Green Android head icon on blue camera body with circular lens, set over Google logo on white and green background.
Threema Private
August 2, 2022

Threema Libre: Full Independence from Google Services

Threema Private
July 26, 2022

Candid Camera: Ice Cream in Exchange for Your Data

Illustration of a smartphone showing two message notifications and the text “Notifications without Google Services”.
Threema Private
March 30, 2022

Threema Push for Android

WhatsApp logo above the text 'E2EE ≠ Privacy' on a dark green background.
Threema Private
February 1, 2022

WhatsApp and the Commodity of the 21st Century

Threema Private
January 23, 2022

Data Privacy Week: Raise Awareness with Your Profile Picture

Threema secure messaging app displayed on desktop and smartphone with chat threads and emojis on green background.
Threema Private
October 26, 2021

Chat on the Computer Without a Browser

Threema Private
September 23, 2021

Threema for Android Introduces Contact-Specific Privacy Settings

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