Android Apps to Color Temperature Adjustment

Red Moon is an open-source Android screen filter application designed to reduce eye strain and improve sleep quality by adjusting the screen's color temperature and brightness, primarily by filtering out blue light during nighttime use.

Twilight is an Android application designed to mitigate the potential negative effects of blue light emitted from device screens, particularly during evening hours. By applying a customizable red filter, it helps reduce eye strain and promotes better sleep patterns by aligning screen color temperature with natural light cycles.

f.lux is a cross-platform application designed to reduce eye strain and improve sleep patterns by automatically adjusting the color temperature of your display based on your location and time of day. It gradually transitions the screen color from bright daytime tones to warmer, dimmer tones as the evening progresses.