Here’s a primer on WiFi MIDI – how to use a wireless network to transmit MIDI data between your iPad and PC desktop computer. Hope it helps you getting started in connecting your iPad music apps to your computer based setup.
The iPad to PC WiFi MIDI setup
In this detailed video is shown how to setup Wireless MIDI connection between iPad midi apps and PC
The iPad to Mac setup
Here’s same approach but using Mac instead of PC. As usual on a mac is easier to work with all the MIDI related things.