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We've compiled a list of 35 free and paid alternatives to Twilight. The primary competitors include f.lux, Redshift. In addition to these, users also draw comparisons between Twilight and RedshiftGUI, LightBulb, Red Moon. Also you can look at other similar options here: System and Hardware Tools.


f.lux
Free

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

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.

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.

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

G.lux
Free

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

Iris is software which makes monitors healthy for the eyes.

Shady
Free Open Source

Shady puts a shade over your screen to help soothe your tired or dazzled eyes.

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

Twilight Platforms

tick-square Android

Twilight Video and Screenshots

Twilight Overview

Are you having troubles to fall asleep? Are your kids hyperactive when playing with the tablet before bed time?
Are you using your smart phone or tablet in the late evening? Twilight may be a solution for you!
Recent research suggests that exposure to blue light before sleep may distort your natural (circadian) rhythm and cause inability to fall asleep.
The cause is the photoreceptor in your eyes, called Melanopsin. This receptor is sensitive to a narrow band of blue light in the 460-480nm range which may suppress Melatonin production - a hormone responsible for your healthy sleep-wake cycles.
In experimental scientific studies it has been shown an average person reading on a tablet or smart phone for a couple of hours before bed time may find their sleep delayed by about an hour.
The Twilight app makes your device screen adapt to the time of the day. It filters the blue spectrum on your phone or tablet after sunset and protects your eyes with a soft and pleasant red filter. The filter intensity is smoothly adjusted to the sun cycle based on your local sunset and sunrise times.

Twilight Features

tick-square Automatic brightness dimming
tick-square Blue light filter
tick-square Color correction

Top Twilight Alternatives

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Twilight Categories

System and Hardware Tools

Twilight Tags

sepia-tone f-lux blue-glow sunset screen-filter color-tint brightness-reduction redshift sleep monitor-colors eye-strain computer-displays color-temperature lighting

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