When running Xcode and iOS simulator, open VSCode does not show the iOS device but has Android emulator options.

How to show iOS simulator in VSCode?

The problem is because the Xcode no setting the locations to command-line tools:

Go to preferences > locations > Command Line Tools

select Xcode 10 or above (Here is 12.5x)

How to show iOS simulator in VSCode?

After setting can re-run the iOS simulator.

Finally, re-open VSCode, the iOS device will show in the options: