Keep Your Night Vision Sharp with the iPhone's Hidden Red Screen « iOS & iPhone :: Gadget Hacks
Night Shift, Dark Mode, Reduce White Point, and Zoom's Low Light Filter all help reduce the harmful effects on your body's clock that bright iPhone and iPad screens have at night. But there's another option on iOS and iPadOS that turns your entire display red, and it's useful for so much more than just late-night browsing in bed.| Gadget Hacks
