Best f.lux Alternatives

f.lux adjusts your screen's color temperature to reduce blue light and eye strain, especially at night. Users seek alternatives for open-source options, cross-platform support, or built-in OS features.

12 alternativesUtilitiesUpvote the ones you rate — the list re-ranks by votes.
1
#1

Night Light (Windows)

Free

Built-in Windows setting that reduces blue light on a schedule.

Windows
2
#2

Night Shift (macOS/iOS)

Free

Apple's built-in feature that warms the display in the evening.

macOSiOS
3
#3

Redshift

Open Source

Open-source color temperature adjuster for Linux based on time of day.

Linux
#4

SunsetScreen

Freemium

Windows utility that gradually warms the screen at sunset and cools at sunrise.

Windows
#5

Iris

Freemium

Blue light filter and screen dimmer for eye protection across platforms.

WindowsmacOSLinuxAndroid
#6

LightBulb

Open Source

Free, open-source app that reduces eyestrain by adjusting gamma on Windows.

Windows
#7

Twilight

Freemium

Android app that adapts the screen to the time of day to reduce blue light.

Android
#8

gammastep

Open Source

Open-source screen color temperature adjuster for Linux Wayland.

Linux
#9

Night Owl

Freemium

macOS app to toggle and schedule dark mode and Night Shift.

macOS
#10

Blue Light Filter (Android)

Freemium

Popular Android screen filter to cut blue light and dim the display.

Android
#11

Comfort Eyes

Paid

Blue light reduction utility that warms the screen for eye comfort on Windows.

Windows
#12

Dimmer

Free

Free Windows tool to reduce screen brightness beyond the hardware limit.

Windows

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