Free Twilight Alternatives

    Twilight is described as 'The app filters the blue spectrum on your phone or tablet after sunset and protects your eyes with a red filter. The filter intensity is smoothly adjusted to the sun cycle based on your local sunset and sunrise times'. There are more than 25 alternatives to Twilight for various platforms. The best alternative is f.lux, which is free. Other great apps like Twilight are Redshift (Free, Open Source), LightBulb (Free, Open Source), Red Moon (Free, Open Source) and RedshiftGUI (Free, Open Source).

    The list of alternatives was last updated Aug 21, 2020