Where to find simulator build ?
Go to ~/Library/Developer/CoreSimulator/Devices/
You will find directories with alphanumeric names
then click on the one of the directories and make following selection
Data/Containers/Bundle/Application/
Again you will find directories with alphanumeric names if you click on that you will find
Simulator build over there
Note:
Installing iOS device build on simulator will not work out.
iPhone simulator uses i386 architecture iPad simulator builds uses x8