From your app options you'll calibrate color temperatures, as well as the intensity of the filter you want to use. All the options are very intuitive, so you only have to choose the one that fits your current situation in order to reap its benefits.
Another interesting option in night mode-blue light filter is its automatic timer. Thanks to this functionality you make the app automatically activate at a certain time and turn off later on. By default the filter activates from ten o'clock at night and deactivates at seven o'clock in the morning.
Night Mode-Blue light filter is a great app thanks to which you'll get to improve your sleep quality on a daily basis. It's specially recommended for users who have a habit of scanning their Android smartphone or tablet until late at night.
Android 4.0 or higher