Silence
Silence is a free, open-source messaging app for Android. Block unknown callers. It has 366 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.
- Android
- Kotlin
- Messaging & chat
- Actively maintained
About Silence
By default numbers not in your contacts are blocked. Optionally allow: * Numbers you have contacted * Numbers within the selected groups * X registered call(s) from the same number within a set amount of minutes * Numbers found in messages * Numbers matching REGEX patterns * SIM 1/2 (Android 12+) * and more.. Optionally block: * Numbers matching REGEX patterns, including numbers in contacts * SIM 1/2 (Android 12+) If the app rejects calls from contacts on Android 10, allow Contacts permission manually in App info → Permissions.
Privacy and F-Droid
F-Droid builds Silence 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 Silence?
Silence is a free, open-source messaging app for Android. Block unknown callers. It has 366 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.
Is Silence free and open source?
Yes. Silence'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 Silence?
You can install Silence from F-Droid (package me.lucky.silence); the links are on this page. Its GitHub repository also publishes releases (latest: v1.13.1).
Is Silence still maintained?
The repository's most recent commit was on Aug 1, 2026. Its F-Droid listing was last updated on Dec 1, 2025. appsgit only lists apps whose repository had a commit in the last six months.