xcrun unable to find simctl

Question

Attempting:

xcrun simctl 

in terminal yields:

xcrun: error: unable to find utility \"simctl\", not a de

Answer 1

I had the same problem. My application was working well but suddenly in next run, it started throwing the "simctl" error. It seems I had started Xcode update installation in the background.

Fix: I just started the Xcode application and it prompted to install some pending tools update. After Xcode updates, my app started working normally.