Threema OnPrem

Threema GmbH 0 · FREE

App Store Google Play

Screenshots

Description

Threema OnPrem is the self-hosted communication solution for organizations with the highest security requirements. The combination of Threema’s proven security architecture and complete data sovereignty creates an independent communication environment that is unmatched in terms of confidentiality – ideal for government agencies, police forces, and industrial companies.

Advantages of Threema OnPrem:
• 100% data sovereignty through hosting on your own servers
• Proven Threema security architecture
• Confidential communication in teams, groups, and projects
• End-to-end encrypted voice and video calls
• Secure exchange of files and documents in all formats
• Cross-platform use thanks to mobile app, desktop app, and web client
• Additional protection of confidential chats with PIN or fingerprint

NOTE: Before you can use this app, Threema OnPrem must be set up on your company server. For more information, visit threema.com/onprem.

Enjoy using Threema OnPrem!

Developer

Threema GmbH

Developer ID: 535112011

View More Apps →

What's New

Version 7.1.1 · 27 Apr 2026

• New: This update includes the first adjustments to the new Liquid Glass design • New: The navigation logic has been completely overhauled while simultaneously improving the design of the iPad app • New: All Chats export • Redesign of interfaces for a more modern appearance: • Contacts-Tab • Threema Safe • Message forwarding • New: Forwarding media now includes captions • Added new emojis for emoji reactions (requires iOS 26.4) • Fixed various bugs related to Threema calls • Fixed various bugs related to Threema Safe • Various bug fixes and general improvements