So I'm assuming the iPad is just another device on your personal LAN?
I need to add to the ability to specify hostname as well as port. That way you can change it to the IP of your sim's machine and not localhost.
I'll put that in the next version.
I just released an addon that uses a web service and a Chrome extension to create a live position icon on the map:
Get it here:
https://github.com/MoMadenU/msfs2020-skyvector
See it in action here: