Plenty of people invest in cases and screen protectors for their new iPhone. If you need more privacy, you should give the Belkin InvisiGlass Ultra Privacy Screen Protector for iPhone 11 Pro a look. It keeps your content hidden from strangers and protects your screen against impact and scratch.
This screen protector may be only 0.29mm thick but is stronger than tempered glass. Its two-way privacy screen filter hides your screen vertically but you can always share your screen horizontally.[where to get it]