Supported Features
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VoiceOver
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Voice Control
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Larger Text
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Dark Interface
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Sufficient Contrast
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Reduced Motion
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Audio Descriptions
Threema OnPrem
Self-Hosted Business Messaging
Free
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!
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
Threema OnPrem 6.8.8o
• Various bug fixes and general improvements
• Starting with the upcoming major app version, iOS 15 and 16 will no longer be supported
The developer, Threema GmbH, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
The developer indicated that this app supports the following accessibility features. Learn More
Information
- Provider
- Threema GmbH
- Size
- 94.1 MB
- Category
- Social Networking
- Compatibility
Requires iOS 15.8 or later.
- iPhone
Requires iOS 15.8 or later. - iPad
Requires iPadOS 15.8 or later. - iPod touch
Requires iOS 15.8 or later.
- Languages
English and 20 more
- English, Bulgarian, Czech, Dutch, French, German, Italian, Japanese, Korean, Polish, Portuguese, Rhaeto-Romance, Russian, Simplified Chinese, Slovak, Spanish, Swiss German, Traditional Chinese, Turkish, Ukrainian, Vietnamese
- Age Rating
4+
- 4+
- Copyright
- © 2022 - 2025 Threema GmbH. All rights reserved.
