Filter color is good but it stops working every few minutes and have to restart! It's very annoying if you are reading. If you could fix that... or I ll just have to uninstall...
Has potential This is a pretty good app, however, there is one flaw that needs pointing out. I am not sure if the developer knows, or if this is device-specific or with any other device having same issue, but the bottom on-screen navigation buttons on my Nexus 6P is still blue lighting. The rest of the screen is covered, but navigation is noticeably not covered.
No permissions, no ads, works perfectly. The customizations are user friendly.
The most easiest settings
Worthless! Nothing happens really!