A free program for Android, by Atlas Digital.

Eyes Protection night mode Screen dimmer is a free app for Android devices that allows you to have a rest from the blue light. The application has a natural filter effect to read the screen easily and adjust the brightness and color automatically. 

It works completely offline. You can use it to reduce the brightness of your screen more than allowed by your system. This is done to give you a relaxing experience while using your device. 

The application also provides a simple and clean user interface. It has a notification on the bar to notify you in time. It automatically applies on startup.