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We've compiled a list of 50 free and paid alternatives to f.lux. The primary competitors include Redshift, RedshiftGUI. In addition to these, users also draw comparisons between f.lux and Twilight, LightBulb, Red Moon. Also you can look at other similar options here: System and Hardware Tools.


Redshift
Free Open Source

Redshift adjusts the color temperature according to the position of the sun.

RedshiftGUI
Free Open Source

RedshiftGUI changes the color temperature of your monitor to better match that of your surrounding.

The app filters the blue spectrum on your phone or tablet after sunset and protects your eyes with...

LightBulb
Free Open Source

Background application that adjusts screen gamma, making the colors appear warmer at night...

Red Moon
Free Open Source

Screen filter for night time phone use.

G.lux
Free

G.lux is an unofficial variation of F.lux. G.

Whether you're a morning lark or night owl, SunsetScreen allows you to set the time of the...

A very small and free utility for Windows to reduce brightness on LCD/TFT screens.

Iris is software which makes monitors healthy for the eyes.

Screen dimming software that allows you to control the brightness of your screens as well as...

Software that makes the color of your computer's display adapt to the time of day, warm at...

f.lux Platforms

tick-square Windows
tick-square Linux
tick-square iPad
tick-square Mac
tick-square Android
tick-square iPhone

f.lux Video and Screenshots

f.lux Overview

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?

During the day, computer screens look good—they're designed to look like the sun. But, at 9PM, 10PM, or 3AM, you probably shouldn't be looking at the sun.

f.lux fixes this: it makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.

It's even possible that you're staying up too late because of your computer. You could use f.lux because it makes you sleep better, or you could just use it just because it makes your computer look better.

f.lux makes your computer screen look like the room you're in, all the time. When the sun sets, it makes your computer look like your indoor lights. In the morning, it makes things look like sunlight again.

Tell f.lux what kind of lighting you have, and where you live. Then forget about it. f.lux will do the rest, automatically.

f.lux Features

tick-square Time Scheduling
tick-square Blue light filter
tick-square Temperature Monitoring
tick-square Scheduling
tick-square Night mode/Dark Theme

Top f.lux Alternatives

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f.lux Tags

sleepless sleep-cycle sleep-better sleep screen-display reduce-eyestrain monitor-display monitor-colors monitor-color hardware-displays flux eye-strain display-settings computer-displays colors color-temperature

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