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You can hide everything from us. ‪

We don’t hide anything from you. ‪‬ ‪

That’s a healthy service–user relationship.

Introducing Threema OnPrem: The self-contained chat environment for high-security enterprise messaging.

A year ago, the agreement was invalidated. Here are 5 recommendations for privacy-compliant and secure corporate communication:

Only as little information about your Threema ID as technically possible is stored on our servers, and you can retrieve it at any time:

Send “info” to *MY3DATA (or tap here:

Is there someone who loves sending you voice messages but… um… has a hard time… well… getting to… like… you know… the point? 🐌

Update to the latest Threema version to adjust the playback speed of voice messages. 🐇

If user data is 🩸 and Threema is 🧄, which emoji is WhatsApp?

The Threema apps are , but to understand Threema’s cryptographic algorithms, you don’t need to study the source code. Our Cryptography Whitepaper has you covered. 🤓

What’s the best privacy protection❓

Not disclosing personal information in the first place❗

(That’s why Threema doesn’t require a phone number.)

Da soll noch einer sagen, Berner seinen langsam. Während sich Zürich mit Ausfällen von Notrufnummern herumschlägt, führt Bern als erste Schweizer Stadt Threema als News-Kanal ein. 🏃💨

1️⃣0️⃣,0️⃣0️⃣0️⃣,0️⃣0️⃣0️⃣ × Thank you! ❤️

There are now ten million Threema users (and counting). But, of course, we have no idea who they are.

Big Tech: “Knowledge is power.” 📇

Threema: “Ignorance is bliss.” 🧘

🆕 Mark chats as unread to create a visual reminder if you need to follow up on a conversation. (Android: Tap and hold; iOS: Swipe right.)

Threemaのアプリを日本語と中国語に翻訳してくれたユーザーの皆さんに感謝します。 🇯🇵🙌

感谢所有帮助我们将Threema翻译成中文和日文的用户! 🇨🇳🙌

May 15 is ! 🚮 Here’s why WhatsApp users should consider joining Threema instead of accepting WhatsApp’s controversial new privacy policy:

Considering how much your user data is worth when used for targeted advertising, €4 is a very small price for Threema.

Which is the right business messenger for your company? Our comprehensive comparison of nine services shows that not all apps are cut from the same cloth:

What is a great job? 🤔 One that’s meaningful and makes an important impact but is also challenging and fun. 🤓 If you’re a talented software engineer who’s passionate about security and data privacy, check out our job openings:

No one can decrypt a Threema message except the intended recipient. However: On our website, there’s a special message anyone can decrypt. 🐇

If we were the type of company to make practical jokes, we’d tell you that Threema is now free, but security is serious business, and you already know that . 🙃

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Server run by the main developers of the project 🐘 It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!