The whole point of this app is in its name: it changes the backlight to reduce eye strain. This feature is useful to those who spend a lot of time staring at the screen of your smartphone, especially in the dark and before bedtime. It will be especially helpful when viewing social networking, web browsing or texts. Enabling this filter will help to remove tension from the eyes and even improve sleep. At the same time, as paradoxical as it may sound, a special difference in colors you feel. In the settings you can adjust the opacity of the filter, its color and activate automatic switching.


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