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 Authorities

Healthcare

Education
HIN and Threema: Secure Communication in the Swiss Healthcare Sector

On WhatsApp’s Recent Data Leak

No to Online Surveillance, Yes to Digital Integrity

“I have nothing to hide”: Why Privacy Matters

The Unwritten Rules of Chat Communication

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

Documents

Download

Threema Work Threema Broadcast Threema Gateway

English Deutsch

Changelog
Threema 6.6.2 for iOS

Back to overview 24.02.2025

Threema 6.6.2 for iOS

Various improvements and bug fixes

About us

Products

Downloads

Use Cases

Industries

Resources

Company

Pricing
- Overview
- Get started

Follow us

Made in Switzerland © 2025 Threema GmbH.

swiss made software + swiss hosting

swiss digital services