Not only that, but the app includes a Darkroom mode for working late, late at nightį.lux has been available for Macs for quite some time, but it’s brand new to iOS. That’s where f.lux comes in, a free app that makes the color of your iPhone or iPad display adapt to the time of day. At night, though, looking at the sun isn’t such a good idea. Have you ever noticed your eyes straining when you use your iPhone or iPad at night? Or, do you see an eerie blue glow when you watch people texting at night? During the day, your iPhone screen looks great, because it’s designed to look like the sun.
