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If you like f.lux, and you use Android devices, you might enjoy Twilight. https://play.google.com/store/apps/details?id=com.urbandroid.lux https://play.google.

• Scene_Cast2 13y ago
  Twilight seems to get it wrong - all the blacks become red. (I think it does this by overlaying red on top of everything instead of doing real hue shifting) Are there any other recommended mobile apps out there?
  • vutekst 13y ago
    Hmm, I had noticed that the blacks become red, but I didn't think of it as "wrong". Despite that, I find it useful enough -- it still removes much of the blue light and makes my eyes feel better. I would love to know about any better Android apps like this, though.
    • ChrisClark 13y ago
      Lux can do a better job, if you also install the Nexus 4 plugin from the same developer. Of course, you'll need a Nexus 4. If you don't have one it still does the same sort of transparent overlay. https://play.google.com/store/apps/details?id=com.vito.lux https://play.google.com/store/apps/details?id=com.vito.lux
    • deleted 13y ago
      [deleted]
    • jlgreco 13y ago
      The blacks becoming non-black is a show-stopper on AMOLED screens where black is actually properly black.
  • rcsorensen 13y ago
    https://play.google.com/store/apps/details?id=com.vito.lux https://play.google.com/store/apps/details?id=com.vito.lux "Lux isn't your ordinary brightness app. It intelligently adjusts the brightness of your display based on the environment you're in. If you step into a dimly lit room, Lux will automatically lower the brightness of your display to make it not only comfortable to read, but to also preserve battery power." Fantastically wonderful app.