If you are getting the error Message "The inter app audio app you have selected is not available at this time" when using Positive Grid apps as IAA, please try the methods below to see if the issue is resolved:
1. Launch all IAA apps including node apps and host apps, then remove them from background (Not remove them entirely from iPad/iPhone).
2. After all IAA apps are launched and closed, start the host app only, then try to connect their IAA node apps again.
Keep Positive Grid apps alive. (Launch Positive Grid apps before using them as an IAA node)
1. Close all apps, including all background apps.
2. Restart your iPad/iPhone
3. Open the host app first , then reconnect IAA node apps