Lower brightness

Lower the brightness beyond the limit through a filter.

Protect your eyes in dark environment.

Lower screen light.

Simple, Intuitive, Useful.


  • Quickly control in notification.
  • Automatically dim and brighten as environment.
  • One click icon to switch dim and bright.
  • Auto launch at the specific time.
  • Support color filter.


Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 3.3.1 (37) - Added on 2015-12-03

    This version requires Android ? or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Download APK 336 KiB PGP Signature

    • android.permission.SYSTEM_ALERT_WINDOW
    • android.permission.WRITE_SETTINGS
    • android.permission.RECEIVE_BOOT_COMPLETED
    • android.permission.GET_TASKS