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f.lux for iOS is designed to give you a better experience with your computer. It regulates the colors of your display so it can match the time of the day properly. That can reduce your eye strain or your headache or even help you sleep at night.
f.lux for iOS
Auto adjust your iOS display based on the time of day
f.lux is makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.
f.lux
Adjusts your computer's display to adapt to the time of day