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f.lux Adjusts Your Screen Brightness for the Time of Day; Now Supports iOS

Windows/Mac/Linux/iOS: Popular screen-dimming software f.lux is now available for jailbroken iOS devices. Install f.lux to enjoy gently adjusted brightness based on the time of day for easy-on-the-eyes computer use.

f.lux is a unique app with a unique take on adjusting your computer’s (and now iOS device’s) screen for maximum comfort. It adjusts the brightness of your screen based on the time of day. Middle of the day with full sunshine? The screen is bright and white. Late at night and the world is dark? The screen dims accordingly.

It’s tough to describe exactly how subtle and pleasant the effect is, but if you’re not a fan of how blindingly bright screens can be in the late evening f.lux is a pretty neat fix. Given that the iPad’s lowest brightness setting is still so bright it lights up a room like a television set, we’re looking forward to trying out the new iOS f.lux app this evening.

f.lux is free for all platforms but does, however, require a jailbroken iOS device.

f.lux [via Addictive Tips]

Jason Fitzpatrick is warranty-voiding DIYer and all around geek. When he's not documenting mods and hacks he's doing his best to make sure a generation of college students graduate knowing they should put their pants on one leg at a time and go on to greatness, just like Bruce Dickinson. You can follow him on if you'd like.

  • Published 10/3/11

Comments (5)

  1. Iszi

    Isn’t this just a little redundant of the auto-dim feature already built into most smartphones and laptops these days?

  2. Litbea

    It not only changes brightness, color temperature varies as well. The effect is very pleasant…

  3. Jason Fitzpatrick

    @Iszi: I don’t know about you but the auto-dim features on the iPad and iPhone don’t work very well for me. f.lux offers a much better range of brightness control and, as Litbear noted, it alters the color temperature of the screen.

  4. Henry

    No android love? (Grant it auto-dim probably makes it pointless)…

  5. Phylis Sophical

    Been using f.lux for years. Love it. Again, it differs from auto-dim in that it kicks in according to when sunset occurs and gives a soft pink hue that you can change intensity manually. It simply takes the glare out of the screen.

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