I have purchased both Lux and Twilight, but Twilight (https://play.google.com/store/apps/details?id=com.urbandroid.lux https://play.google.com/store/apps/detail

I have purchased both Lux and Twilight, but Twilight (https://play.google.com/store/apps/details?id=com.urbandroid.lux https://play.google.com/store/apps/details?id=com.urbandroid...) is better.