The instaroom admin web app is desgined to work great on any device. PC, Mac, smartphone or iPad..
Here's a short guide on how to add the instaroom web app to your homescreen on an iPad.
Open the browser by tapping on the Safari icon & go to instaroom admin
Tap on the Share button at the bottom of the browser window. It's represented by a square with an up arrow in the foreground.
The iOS Share Sheet will now appear, overlaying the main browser window. Select the option labeled Add to Home Screen.
You will be taken back to your iPad's home screen, which now contains a new icon mapped to your chosen web page.