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Threema Private

World Emoji Day: Our Emoji Pet Peeves

When the calendar emoji shows the correct date, it’s World Emoji Day. 📅 The cute little pictograms are hugely popular and shape the way we communicate in chats. Yet despite – or perhaps because of – their popularity, they also give rise to a number of minor pet peeves. Here’s a non-exhaustive (and not entirely serious) overview.
Threema Private

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

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

#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

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

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

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

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.
Hand holding a keyring with a key and the Threema icon.
Threema Private

Why There’s No Such Thing as a Threema User Account

Several recent news reports have sparked discussion in the IT community and raised questions among some of our users. One topic is the view that paid online services are incompatible with anonymity – and therefore with strong data protection. Another is the risk of user accounts being hijacked through identity spoofing, which current events have brought back into focus.

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