Privfon: readable to you, dark from the side.
Confirm your iPhone or Android and Privfon builds a viewing profile for that screen: a side-angle dimming curve, a direct-view clarity map and auto-on when you are out in public.
Confirm my deviceAfter the tap you pick your phone model, then Privfon reads its display to shape the profile.
Passenger information
No film on the glass. So how does it work?
A film darkens every phone the same way. Privfon starts from your own model: it reads the display, sets how fast the picture dims as the angle widens, keeps the centre sharp for you, and switches on by itself once you are in a public place.