QUIK SMS
QUIK SMS is a free, open-source messaging app for Android. Open source replacement to the stock SMS app on Android. It has 2,874 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid and Google Play.
github.com/quik-sms/quik (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 QUIK SMS
Open source replacement to the stock SMS app on Android. A revival of QKSMS. ## Features - Scheduled Messages - Message Backup - Speech to Text and Text to Speech integrated within the app - Message Blocking and Archiving - Voice Messages - Attachments of any type of file - Message Sorting - Delayed Sending You can chat with the community over at #quik-sms:matrix.org
Privacy and F-Droid
F-Droid builds QUIK SMS 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.
Similar apps
More open-source messaging apps

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
Mattermost
mattermost/mattermost-mobile
Secure, self-hosted workplace messaging.
Active · last commit Oct 27, 2026
OfficialMessaging & chatAndroid
Element Classic
element-hq/element-android
Previous generation Element.
Active · last commit Sep 25, 2026
OfficialMessaging & chatAndroid
Element X
element-hq/element-x-android
Sovereign. Seamless. On Matrix.
Active · last commit Oct 27, 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 & chatiOSRocket.Chat
RocketChat/Rocket.Chat.ReactNative
The Secure CommsOS for mission-critical operations.
Active · last commit Oct 27, 2026
OfficialMessaging & chatAndroidiOS
Is QUIK SMS free and open source?
Yes. QUIK SMS's source code is public on GitHub under the GPL-3.0-only 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 QUIK SMS?
You can install QUIK SMS from F-Droid (package dev.octoshrimpy.quik.fdroid) and from Google Play; the links are on this page. Its GitHub repository also publishes releases (latest: v4.3.7).
Is QUIK SMS still maintained?
The repository's most recent commit was on Sep 27, 2026. Its F-Droid listing was last updated on Sep 23, 2026. appsgit only lists apps whose repository had a commit in the last six months.