Pretty good.
This is probably the best as far as iPhone simulators go. My only requests would be for things such as weather, like clouds and rain and snow. Also, some more planes: Concorde, Tupolev TU-144, B-17, ME-262, Fokker Dr.1 Triplane, and XB-70 Valkyrie.
Pilotjm789 about
Infinite Flight Simulator, v16.12.0