f.lux AlternativesOnly apps categorised as Color Temperature Tools

The best Color Temperature alternative to f.lux is Redshift, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to f.lux and many of them are Color Temperature Tools so hopefully you can find a suitable replacement. Other interesting Color Temperature Tool alternatives to f.lux are LightBulb, SunsetScreen, RedshiftGUI and Twilight.

filter to find the best alternatives

f.lux alternatives are mainly Color Temperature Tools, but if you're looking for Screen Dimmers or Health Tools you can filter on that. Other popular filters include Linux, Android, Mac, Windows and Screen Dimmer. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to f.lux.
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Alternatives list

  1. Redshift icon
     259 likes

    Redshift adjusts the color temperature according to the position of the sun. A different color temperature is set during night and daytime.

    49 Redshift alternatives

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
     
    |
    9
    Comments about Redshift as an Alternative to f.lux
    Top Positive Comment
    danhaiduc
    7

    This is open source, while f.lux wants you to download a binary and run it constantly on your system.

    Top Negative Comment
    Guest
    0

    It doesnt't work sometimes...

    Review by a new / low-activity user.
    Guest
    Negative
    -15

    It's just not as good as f.lux is.

    Review by a new / low-activity user.
    3 of 9 comments
    Redshift icon
    Redshift icon
    • Redshift is Free and Open Sourcef.lux is Free and Proprietary
  2. LightBulb icon
     108 likes

    Background application that adjusts screen gamma, making the colors appear warmer at night, reducing strain on your eyes.

    53 LightBulb alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Windows
     
    |
    11
    Comments about LightBulb as an Alternative to f.lux
    Top Positive Comment
    Mark
    0

    user-friendly interface and easily configurable

    Guest
    Positive
    2

    Has a customizable schedule instead of 50 meme filters no-one will ever use.

    Review by a new / low-activity user.
    Guest
    Positive
    2

    Open source, far more options, faster

    Review by a new / low-activity user.
    3 of 11 comments
    LightBulb icon
    LightBulb icon
    • LightBulb is Free and Open Sourcef.lux is Free and Proprietary
    • LightBulb is Customizablef.lux is not according to our users
  3. SunsetScreen icon
     35 likes

    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.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
     
    |
    9
    Comments about SunsetScreen as an Alternative to f.lux
    Top Positive Comment
    Bruno Klampfl
    5

    Can set also brightness level to change automatically. Can set the time to change to night time yourself.

    Guest
    Positive
    -1

    Much better transitions and less laggy

    Review by a new / low-activity user.
    Guest
    Positive
    0

    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.

    Review by a new / low-activity user.
    3 of 9 comments
    SunsetScreen icon
    SunsetScreen icon
    • SunsetScreen is Paid and Proprietaryf.lux is Free and Proprietary
    • SunsetScreen is Customizablef.lux is not according to our users
  4. RedshiftGUI icon
     92 likes

    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.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Linux
     
    |
    1
    Comments about RedshiftGUI as an Alternative to f.lux
    Guest
    Positive
    1

    it is much easier to install and just works right away!

    Review by a new / low-activity user.
    RedshiftGUI icon
    RedshiftGUI icon
    • RedshiftGUI is Free and Open Sourcef.lux is Free and Proprietary
  5. Twilight icon
     56 likes

    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.

    43 Twilight alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Android
     
  6. Red Moon icon
     53 likes

    The app is free on F-Droid and on GitHub but you can buy it on the Google Play Store to support the developer.

    Cost / License

    Platforms

    • Android
    • F-Droid
     
    |
    1
    Comments about Red Moon as an Alternative to f.lux
    arsCynic
    Positive
    1

    Straightforward. Fast. No ads. No trackers.

    Red Moon icon
    Red Moon icon
    • Red Moon is Free and Open Sourcef.lux is Free and Proprietary
  7. Iris mini icon
     19 likes

    Enjoy free cross-platform blue light reduction and PWM flicker-free brightness control with Iris mini. Minimalistic design, portable, and automatic for no-hassle, eyestrain-relief across all devices. Simply double-click to activate, perfect for every lighting condition.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
    |
    1
    Comments about Iris mini as an Alternative to f.lux
    Guest
    Positive
    -2

    Very minimalistic and lightweight. Doesn't affect games (i.e. microstuttering) the way f.lux does (if you set it to Paused mode).

    Review by a new / low-activity user.
    Iris mini icon
    Iris mini icon
    • Iris mini is Freemium and Proprietaryf.lux is Free and Proprietary
  8. Redshift Tray icon
     6 likes

    Redshift Tray is a no-frills GUI for the screen temperature adjustment tool Redshift.

    • Control Redshift based on location, custom night/day times, or manually
    • Enable/disable by double-clicking the tray icon
    • Has lots of other features via hotkeys

    Cost / License

    Platforms

    • Windows
     
  9. Iris icon
     32 likes

    Reduces blue light and flicker for eye comfort, supports auto color temperature adjustment based on time, customizable modes, overlays, color and font options, docking station support, and accessible part-screen filtering for diverse needs.

    145 Iris alternatives

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
     
    |
    2
    Comments about Iris as an Alternative to f.lux
    Guest
    Positive
    2

    Iris has all the functionality of f.lux and much more

    Review by a new / low-activity user.
    Guest
    Positive
    1

    Intuitive to use and easy to install

    Review by a new / low-activity user.
    Iris icon
    Iris icon
    • Iris is Freemium and Proprietaryf.lux is Free and Proprietary
  10. QRedshift icon
     8 likes

    It makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.

    Cost / License

    Application type

    Platforms

    • Linux
    • Cinnamon
     
  11. CareUEyes icon
     9 likes

    CareUEyes is a very simple but useful program when it is about your eye care. The program comes with a very simple and clean interface and needs to technical knowledge. Even a novice computer user can download and use it easily.

    55 CareUEyes alternatives

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Windows
     
  12. CF.lumen icon
     11 likes

    CF.lumen - don't let your phone blind you! CF.lumen changes the colors of your Android device's display based on the position of the sun. With the default settings, your display will get a warmer tint (lower color temperature) when the sun is down, to look more like indoo.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Android
     
12 of 29 f.lux alternatives