SDR for iOS

[tuihill]

I am new to SDR and have just acquired an AirSpy HF+ Discovery. On the recommendation of a chap at AirSpy, I was able to install SDR++ on my Macbook almost plug and play. It works just fine.
Now I am looking for an app for my iPad. SDR Receiver is the only one in the App Store that looks like it might work but I am confused by some of the hoops one must jump through to get it up and running. Here are some screenshots from the description that I don’t understand.
I would appreciate any help that my be out there.

 

[Dirk_SDR]

There are some infos here:

Apple ios & SDR

Until a year or two ago Apple severely limited ios USB connectivity to external USB memory devices with only pictures. Now, any USB device including thumb drives, portable SSDs, etc. can be used to access any type of file. Is there software available so an SDR (e.g. RTL-SDR) can be used directly...

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