Download Sources
Device Configuration
Split APKs Installation Guide
Some apps are distributed as Split APKs (multiple .apk files packaged together) to optimize resources. Standard Android installers cannot open them.
What's New
- Various improvements and bug fixes
About this app
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!
User Reviews
Mdshamim
Better
How to Download Threema OnPrem. Self-Hosted APK
- Enter the package name
ch.threema.app.onpremon the APK Downloader. - Select your device architecture (ARM64 recommended for modern devices).
- Click Download to get the merged APK file.
- Transfer and install the APK on your Android device.
- Keep Updated: Visit APKDER.COM regularly to search for and download the latest secure versions of your favorite apps.
Security & Signature Verification
This APK download is 100% safe. We verify that the cryptographic signature of the file matches the official developer credentials. No modifications or adware are injected.
