What Does Flux App Do

F. lux is a free app that automatically shifts the color of your screen to a reddish amber color as the sun goes down. You set it to your time zone and the degree of color shift that you want and it does the rest. … As the evening wears on, the color shifts to amber/red over the course of an hour.

Does flux really help?

lux can actually help you is if you are avoiding alerting light throughout the rest of your home. So even if you set f. lux to 800K with the lowest possible monitor brightness that your monitor can produce, it can still be ineffective if you’re still being exposed to alerting light in other parts of your home.

Does flux help with sleeping?

Which describes exactly what Flux and Night Shift are already doing. Anne-Marie Chang, a sleep expert from PSU, said in an interview with Live Science that studies have shown this type of filtering can indeed reduce the effect of devices on sleep patterns.