Threema Work Threema Broadcast Threema Gateway

English Deutsch

Security and Privacy as the Cornerstones of Digital Communication

Privacy Without Compromise

Zero-Knowledge Security and Legal Compliance
WhatsApp Alternative

MS Teams Alternatives

C-Level Communication

Fast Internal Communication via Messenger

Mobile Workforce

Business Continuity: Out-of-Band Communication

One-to-Many Communication

GDPR-Compliant Communication

Strengthen Cyber Resilience: NIS2, DORA, and CER

Mercedes-Benz Group AG

EDEKA

City of Frankfurt am Main

Bavarian State Ministry of Justice

TK Elevator

Success Stories

Public Institutions

Government

Emergency & Bluelight

Healthcare

Education

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

Prevent Screenshots in Threema Work

Zero Trust: Rethinking Security in a Connected World

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

Threema and IBM Research: Collaboration for a Quantum-Secure Future

Blog

Threema Private

Threema Work

Threema Broadcast

Support Request

Cryptography Whitepaper

Secure Messaging in Public Authorities

Business Continuity Management

Comparison of Business Messaging Solutions

WhatsApp Alternative for Businesses

European Cybersecurity Regulations: NIS2, DORA, and CER

The Challenge of Cybersecurity

Study: Cybersecurity and Communication Tools

Events

Webinars

Partner NEW

Documents

Download

Threema Work Threema Broadcast Threema Gateway

English Deutsch

Back to overview 13.09.2023

Threema 5.5.2 for iOS

Various bug fixes and other improvements

About us

Products

Downloads

Use Cases

Industries

Resources

Company

Pricing
- Overview
- Get started

Follow us

Made in Switzerland © 2026 Threema GmbH.

swiss made software

swiss digital services