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 19,608 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.
github.com/simplex-chat/simplex-chat (opens in a new tab)
Data as of from the GitHub API and the F-Droid index; description from the project's repository or F-Droid listing. Report an error
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.
Similar apps
More open-source messaging apps
Signal for Android
signalapp/Signal-Android
A private messenger for Android.
Active · last commit Oct 26, 2026
OfficialMessaging & chatAndroidSignal for iOS
signalapp/Signal-iOS
Signal is a free and open source messaging app for simple private communication with friends.
Active · last commit Oct 21, 2026
OfficialMessaging & chatiOS
Jitsi Meet
jitsi/jitsi-meet
Instant video conferences efficiently adapting to your scale.
Active · last commit Oct 28, 2026
Messaging & chatAndroidiOS
Element Classic
element-hq/element-android
Previous generation Element.
Active · last commit Sep 25, 2026
OfficialMessaging & chatAndroidTelegram for Android
DrKLO/Telegram
Telegram is a messaging app with a focus on speed and security.
Maintained · last commit Oct 25, 2026
OfficialMessaging & chatAndroid
FluffyChat Matrix Messenger
krille-chan/fluffychat
The open-source, non-profit European alternative to big tech’s messaging and vid.
Active · last commit Oct 28, 2026
Messaging & chatAndroidiOS
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 21, 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.