f.lux Alternatives

    f.lux is described as 'Ever notice how people texting at night have that eerie blue glow? Or wake up ready to write down the Next Great Idea, and get blinded by your computer screen?' and is one of the leading apps in the System & Hardware category. There are more than 50 alternatives to f.lux for a variety of platforms, including Windows, Mac, Android, Linux and Android Tablet. The best alternative is Redshift, which is both free and Open Source. Other great apps like f.lux are LightBulb (Free, Open Source), SunsetScreen (Paid), Twilight (Free) and RedshiftGUI (Free, Open Source).

    This page was last updated Apr 22, 2021

    1. Redshift adjusts the color temperature according to the position of the sun. A different color temperature is set during night and daytime.
      Redshift vs f.lux opinions
      Almost everyone thinks Redshift is a great alternative to f.lux.
       all • positive • negative      relevance • date
      danhaiduc This is open source, while f.lux wants you to download a binary and run it constantly on your system.
      Top positive comment  about 3 years ago

      6
      It adjusts colours the way I expected it to. There is a simple and efficient gui applet (redshift-gtk) available, and it supports interesting commandline options
      Top positive comment  over 4 years ago

      1
      It doesnt't work sometimes...
      Top negative comment  almost 4 years ago

      1
      It's just not as good as f.lux is.
      Negative comment over 1 year ago

      -11
      To start the program, just type "redshift" in a terminal.
      Positive comment almost 2 years ago

      0
      It is open source thus it works better and can be trusted more
      Positive comment about 3 years ago

      0
      In most repos. Easy to use auto adjusts to the sun.
      Positive comment about 3 years ago

      1
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      7 of 9 comments
    2. LightBulb is an application that reduces eye strain produced by staring at a computer screen when working late hours. As the day goes on, it continuously adjusts gamma, transitioning the display color temperature from cold blue in the afternoon to warm yellow during the night.
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      LightBulb vs f.lux opinions
      Almost everyone thinks LightBulb is a great alternative to f.lux.
       all • positive • negative      relevance • date
      CaptaPraelium Superior performance. Detailed explanation by the author here: https://www.reddit.com/r/osugame/comments/5rpq1q/lightbulb_gamingfriendly_flux_alternative/
      Top positive comment  over 4 years ago

      7
      Has minimal performance impact and can be configured to have no impact at all (at the cost of smoothness). Best choice if you are a gamer.
      Top positive comment  over 4 years ago

      4
      Has a customizable schedule instead of 50 meme filters no-one will ever use.
      Positive comment 7 months ago

      0
      Open source, far more options, faster
      Positive comment over 2 years ago

      2
      Simplest, fastest, best user license agreement.
      Positive comment almost 3 years ago

      1
      This one is the BEST for Windows as Redshift is the best for Linux
      Positive comment almost 3 years ago

      3
      Same features, Much Better performance (Key when playing Games or performing intensive tasks), with additional options for customization, like Hotkeys, and disabling it when using a full-screen application.
      Positive comment about 4 years ago

      1
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      7 of 10 comments


    3. Whether you're a morning lark or night owl, SunsetScreen allows you to set the time of the sunset and sunrise, so you can have full control over your sleep cycle.
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      SunsetScreen vs f.lux opinions
      Almost everyone thinks SunsetScreen is a great alternative to f.lux.
       all • positive • negative      relevance • date
      So happy I can set my own times. In the winter the sunsets happened way to earlier in Flux, then I'd turn it off and forget to turn it back on.
      Top positive comment  over 4 years ago

      4
      bklampfl Can set also brightness level to change automatically. Can set the time to change to night time yourself.
      Top positive comment  almost 5 years ago

      4
      Much better transitions and less laggy
      Positive comment over 3 years ago

      -1
      I can change the settings in this software to activate in 24 hours but I can't active red layer in Flux in 24 hours.
      Positive comment almost 4 years ago

      0
      Able to set times, value of filter... More options.
      Positive comment over 4 years ago

      -1
      Redshift is Nerdware - Hard to set up
      Positive comment over 4 years ago

      0
      Has keyboard shortcut to turn it off and the computer doesn't lag while the filter is turned on.
      Positive comment over 4 years ago

      0
      Show more comments
      7 of 9 comments
    4. The app filters the blue spectrum on your phone or tablet after sunset and protects your eyes with a red filter. The filter intensity is smoothly adjusted to the sun cycle based on your local sunset and sunrise times.
      show more
      Most users think Twilight is a great alternative to f.lux.
      • FreeOpen Source
      • Windows
      • Linux
      RedshiftGUI changes the color temperature of your monitor to better match that of your surrounding. This means that it sets a cooler color temperature during the daytime (due to natural lighting) and sets a warmer temperature at night (due to indoor lighting). Similar to f.

      Discontinued

      The project seems to be no longer developed. Last version, 0.2.4, released in August 2014, can be still downloaded from GitHub.

      show more
      RedshiftGUI vs f.lux opinions
      Most users think RedshiftGUI is a great alternative to f.lux.
      it is much easier to install and just works right away!
      Positive comment over 3 years ago

      0


    5. The app is free on F-Droid and on GitHub but you can buy it on the Google Play Store to support the developer. Red Moon is a screen filter app for night time phone use.
      show more
      Most users think Red Moon is a great alternative to f.lux.
      • FreemiumProprietary
      • Mac
      • Windows
      • Linux
      Iris mini is free and minimalistic version of Iris. Small. Minimalistic. Free. Portable. Automatic. Awesome for everyone. Just double click and it will work.
      show more
      Iris mini vs f.lux opinions
      Most users think Iris mini is a great alternative to f.lux.
      Very minimalistic and lightweight. Doesn't affect games (i.e. microstuttering) the way f.lux does (if you set it to Paused mode).
      Positive comment over 4 years ago

      -1
    6. Iris is software which makes monitors healthy for the eyes. With iris you can reduce the blue light emitted from your screen for better sleep, reduce the brightness of your screen without PWM and avoid eye pain.
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      Iris vs f.lux opinions
      Most users think Iris is a great alternative to f.lux.
      Iris has all the functionality of f.lux and much more
      Positive comment over 5 years ago

      2
      Intuitive to use and easy to install
      Positive comment over 5 years ago

      1
    7. To schedule Night Light so it turns on automatically, select Start > Settings > System > Display > Night light > Night light settings.
    Showing 10 of 52 alternatives