If I make a recording on an iPad can I not send it to a place that a pc user can access it without a fee?

I am used to using my pc laptop in teaching music lessons. I can make a recording using sound recorder, save it as an mp3 and my students bring a flashdrive whereby they can take the music with them when they leave and use it at home. I'd like to use the iPad mini for this but - no usb, no sound recorder, some students aren't apple customers. I guess I could use Garage Band a record a "song" but how do I send it to students? If they don't have iCloud access what other cloud could I use that would be accessible for them without paying a fee? If I can't answer these questions I guess I'll need to stay with my pc.

iPad

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