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Threema OnPrem. Self-Hosted APK for Android

6.3.0o by Threema GmbH

(0 Reviews) December 25, 2025

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Latest Version

Version
6.3.0o

Update
December 25, 2025

Developer
Threema GmbH

Categories
Communication

Platforms
Android

Downloads
0

License
Free

Package Name
ch.threema.app.onprem

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More About Threema OnPrem. Self-Hosted

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!

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