Lockout is 100% open source under the GNU GPL-3.0 license. You can inspect the complete source code, report issues, or build the APK yourself on GitHub.

Browse source

Automatic updates

Want automatic updates without Google Play? Track Lockout with Obtainium to install new releases directly as soon as they go live on GitHub.

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System permissions

Lockout requires Usage Access and Display Over Apps to detect and overlay blocked screens. No personal data is ever collected or sent to the cloud.

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Installation guide

Requires Android 10 or newer. After downloading, tap the APK to install. If prompted by your browser, tap 'Settings' and allow 'Install unknown apps'.