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Apps whose makers say they act on blue light
Blue light apps shift the screen toward warmer colors, usually on a schedule. These are the apps whose makers say the app does that, in their own words.
6 of 15 apps say so in their own words.
CareUEyes
Mac, Windows, US$2.90/mo
“Blue light filtering”
Source: care-eyes.comQuote shortened here; the maker's health wording is left out.
CircadianShield
Mac, Windows, US$27 once
“Your display color temperature adjusts automatically as the sun moves. Warm at night, bright in the morning.”
Source: circadianshield.comIris
Mac, Windows, US$1.99/mo
“Iris will gradually regulate blue light day and night.”
Source: iristech.coApple Night Shift
Mac, Built in
“Make the color temperature more or less warm when Night Shift is on. Warmer color temperatures show more yellow and less blue.”
Source: support.apple.comf.lux
Mac, Windows, Free
“it makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.”
Source: justgetflux.comWindows Night light
Windows, Built in
“Move the Strength slider to adjust the intensity of the blue light reduction.”
Source: support.microsoft.com
Not stated
BetterDisplay, ColorControl, DisplayBuddy, Lunar, MonitorControl, Monitorian, PangoBright, Stillcolor, Twinkle Tray.
Not stated means the maker's pages do not say it. It is not a no.