SimpleX Chat
SimpleX Chat is a free, open-source messaging app for Android and iOS. SimpleX Chat - e2e encrypted messenger without any user IDs - private by design. It has 19,533 GitHub stars and is released under the AGPL-3.0-or-later license, and you can install it from F-Droid, Google Play and the App Store.
About SimpleX Chat
SimpleX - the first messaging platform that has no user identifiers, not even random numbers! Security assessment was done by Trail of Bits in November 2022.
Privacy and F-Droid
F-Droid builds SimpleX Chat from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
Screenshots
Screenshots from the app's F-Droid listing.
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What is SimpleX Chat?
SimpleX Chat is a free, open-source messaging app for Android and iOS. SimpleX Chat - e2e encrypted messenger without any user IDs - private by design. It has 19,533 GitHub stars and is released under the AGPL-3.0-or-later license, and you can install it from F-Droid, Google Play and the App Store.
Is SimpleX Chat free and open source?
Yes. SimpleX Chat's source code is public on GitHub under the AGPL-3.0-or-later license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install SimpleX Chat?
You can install SimpleX Chat from F-Droid (package chat.simplex.app), from Google Play and from the App Store; the links are on this page. Its GitHub repository also publishes releases (latest: v7.0.3).
Is SimpleX Chat still maintained?
The repository's most recent commit was on Oct 3, 2026. Its F-Droid listing was last updated on Oct 6, 2026. appsgit only lists apps whose repository had a commit in the last six months.