Even bog standard ios hides some stuff they claim to have.

WHAT RENDERS YOUR WORLD

Apple GPU

Your graphics processor identified itself as Apple GPU. This tells us the manufacturer, the generation, and roughly the price of your machine. Combined with your screen size and font list, this string alone can distinguish your device from most others on the internet. The technique is called WebGL fingerprinting. No permission is required.

Uh sure, that string tells you the generation and price.