So, I just installed my first Whitestone protector on my S21 Ultra. It is very clear and seems to work very well with the fingerprint sensor.
Anyone who's a bit reticent as I was, it actually is incredibly easy. All the kit is a bit intimidating but it's all there to make it easy.
Minor criticisms, my screen seems a bit orange... Probably because it filters some blue light... It might just be psychosomatic.
I'd actually prefer if it covered the front camera.
The fit is a bit small. I expected it to be closer to the edge... It's probably by design for case compatibility but there's a lot of clearance, especially at the bottom.
Overall, I'm happy enough.