Our Blog

INTERNA

New Ownership

At the beginning of 2026, ownership of Threema is transferred from Afinum Management GmbH to Comitis Capital GmbH. The German investment firm, which focuses on companies with a strong sense of purpose and a dedication to sustainability, will support Threema in further strengthening its position in the field of security and data protection.

For Threema users, nothing will change. Our mission, the company strategy, and the management team remain the same.

2 pictures on a wall with the text "Threema x Comitis Capital GmbH" and an aircraft climbing.
Threema Private

Useful, Secure, and Versatile Notes in the Threema App

A group chat with you as the only member? What might sound useless at first is a handy feature in Threema: this “group” can be used as a versatile chat for personal notes. Find out in this blog post in what situations this empty group chat is particularly useful.

Threema Private

Statement on ETH Findings

Last year, a student at the Department of Computer Science at ETH Zurich wrote his master’s thesis on Threema’s communication protocol. ETH Zurich has now published his work as a paper/preprint. The presented findings have been addressed or no longer apply to Threema’s current communication protocol “Ibex.” None of them ever had any considerable real-world impact.

Threema Private

A Decade of Seriously Secure Messaging

Threema Private

A Decade of Seriously Secure Messaging

Exactly ten years ago today, on 12/12/2012, the first ever Threema version was published in Apple’s App Store.

Threema Private

Threema for iOS: Preview of Upcoming Multi-Device Functionality

Vector illustration of the Ibex Protocol: central glowing shield with padlock chat icon connected to four user avatars.
Threema Private

New Communication Protocol “Ibex” and Extended Protocol Suite

Just in time for the tenth anniversary, Threema introduces “Ibex,” a new cryptographic communication protocol that further solidifies Threema’s time-tested security and future-proofs the overall system. On top of that, the overhauled protocol suite receives additional key components that lay the groundwork for forthcoming features.

Threema Private

Agree/Disagree Feature for Groups

Three angled smartphone screens on dark background showing a six-participant group video call interface labeled 'Foodies'.
Threema Private

Threema for Android Introduces Group Calls

Isometric graphic of a person using desktop and mobile apps linked by a security shield
Threema Work

A Comparison of Different Business Messaging Solutions

When it comes to business communication tools, companies have numerous options to choose from. At first glance, the various collaboration tools, engagement apps, and messengers that are available seem almost indistinguishable. However, a closer look reveals significant differences – not only in terms of features and use cases but also when it comes to security and privacy protection.

Follow us

Threema

Made in Switzerland © 2026 Threema GmbH.