While Redshift is only command-line for some operating systems, Iris has UI for both Windows, macOS, and Linux Here is a comparison between Iris and f.lux http

While Redshift is only command-line for some operating systems, Iris has UI for both Windows, macOS, and Linux Here is a comparison between Iris and f.lux https://iristech.co/best-alternative-to-f-lux/ https://iristech.co/best-alternative-to-f-lux/ I will do comparison between Iris and Redshift also soon :)