Entering it on here causes the app to, well, crash). Entering certain commands will cause the app to crash (ie VERB 35 Enter is the command to test the DSKY lamps. For starters, there is no iPhone X and up support, meaning that you just have empty spots of black on the sides of the screen. The reason I gave it four stars is because an update needs to be released. It’s realism is phenomenal, especially the fully-functioning AGC. I’ve had Space Simulator for well over 4 years now and I LOVE IT! It’s the closest thing there is on iOS to being an astronaut (minus the astrophysics and aviation knowedge!).