I remember I tried Red Moon but it must have had some issue (either bright installation, or bright status bar or something else) because I end yp using "Screen

I remember I tried Red Moon but it must have had some issue (either bright installation, or bright status bar or something else) because I end yp using "Screen Dimmer (dims notifications too)" from etsang, which is also open source and can recommend, works fine, everything dark plus has very good notificationto easily in steps brighten/darker your screen without going somewhere deep in settings I remember there was some widely popular screen dimmer, which didn't even let you manually change setting and relied on location provided by google services which I don't have, not sure if it's not f.lux because it ws one of the most famous options