Blog – Threema

Threema Private

June 30, 2026

Anonymity at the System Level – The Ultimate Privacy Protection

More and more messaging apps are introducing usernames, allowing users to communicate without having to share their phone number with everyone. This is certainly a step in the right direction. However, it’s not enough to provide comprehensive privacy protection. To protect users’ privacy, anonymity has to be part of the system architecture.

Smartphone chat screen showing a contact marked as unavailable and on vacation until June 21, with the status menu open.

Threema Work

June 15, 2026

Availability Status in Threema Work

Do you need advice from a colleague but aren’t sure whether they’re available right now? Or would you like to set your out-of-office message directly in Threema Work? With the new availability status, you can see at a glance who’s available.

Illustration of a hand holding a smartphone displaying customer satisfaction survey ratings with emoji faces and colored sliders.

Threema Private

June 2, 2026

Survey Feed: Involving Users in the Development Process

To better tailor the Threema app to our users’ needs, we’re introducing a new survey feed in the Threema Channel. In this feed, periodic user surveys will be conducted to help us identify relevant features and implement them in the best possible way.

Threema Private

May 15, 2026

#DeleteWhatsAppDay: More Relevant Than Ever

Five years ago today, on May 15, 2021, WhatsApp’s controversial new privacy policy came into effect. The update sparked global criticism and raised public awareness of the economic incentives behind data-driven online platforms. With users spending more time online, ever-growing volumes of data, and powerful new AI systems, the concerns raised back then are now even more justified than in 2021.

Android mascot beside a secure vault with lock and key icons.

Threema Private

May 7, 2026

Local Data Security with Android Keystore

Protecting locally stored data is a crucial aspect of any secure messaging app, particularly when server-side storage is intentionally avoided, as is the case with Threema. On Android, the Keystore offers a system-level solution for securely managing cryptographic keys.

Threema Private

April 30, 2026

Cyberattack on Politicians: Security Is More Than Encryption

The wave of attacks targeting Signal and WhatsApp users has not only reached top-level politicians in Germany but also sparked confusion: while some speak of a “hack,” others blame the victims. Here’s why both takes fall short.

Hand holding a smartphone with a chat app, connected to a server interface, both protected by shield icons with a key symbol.

Threema Work

April 21, 2026

Protected Data Even if a Device Is Lost

For companies with the highest security requirements, Threema OnPrem offers a sophisticated new feature: thanks to DualLock, chats are now protected even if a mobile device is lost or stolen.

Smartphone displaying a chat conversation with text, voice message, image, and location, featuring the new Liquid Glass design.

Threema Private

April 20, 2026

Liquid Glass and a More Modern UI in Threema for iOS

New design, redesigned workflows, and additional features: Threema 7.1 for iOS offers more than just Liquid Glass.

Speech bubbles with exclamation and question marks on a green background with Easter eggs.

Threema Private

April 4, 2026

Get the Message? Of Ghosting, Dry Texting, and Left on Read

Have you ever heard someone say they were “ghosted” and had no idea what it means? Or are you unsure what “dry texting” and being “left on read” is? In this blog post, we explain some common Internet slang terms and concepts relating to instant messaging.