Screen Filter: blue light off is a free and low-volume Android application developed by NeoAndroid in Cos. It is a screen filter application that blocks blue light of 400 ~ 450 nm band, which is generated by your smartphone or tablet screen. The app uses 700 ~ 750 nm as compensation color band for blue light interception. The 700 to 750 nm band is the most comfortable color gamut of visible areas, making it easier on your eyes.

This utility and tool app is useful for those who use their mobile devices for extended periods of time, especially at night. The app is easy to use and does not require any complicated setup or configuration. Overall, Screen Filter: blue light off is a simple and effective solution for reducing eye strain and improving your overall mobile device experience.