Threema for iOS
Threema for iOS is a free, open-source messaging app for iOS. This repository contains the complete source code of Threema for iOS. It has 419 GitHub stars and is released under the AGPL-3.0 license, and you can install it from the App Store.
github.com/threema-ch/threema-ios (opens in a new tab)
Data as of from the GitHub API; description from the project's repository. Report an error
About Threema for iOS
This repository contains the complete source code of Threema for iOS. To report bugs and request new features, please contact the Threema support team.
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Is Threema for iOS free and open source?
Yes. Threema for iOS's source code is public on GitHub under the AGPL-3.0 license, which is OSI-approved or FSF-free.
How do I install Threema for iOS?
You can install Threema for iOS from the App Store; the links are on this page.
Is Threema for iOS still maintained?
The repository's most recent commit was on Oct 26, 2026. appsgit only lists apps whose repository had a commit in the last six months.