I get the impression that the people who run Roon might not be terribly easy to cosy up to......You’d think the likes of Auralic who steadfastly say no Android App will be developed would cosy up with ROON...
Auralic's Lightning works fine for me; the modest cost of a secondhand iPad Mini to run it was simply part of the purchase price of my Aries Mini, as far as I was concerned, and a whole lot less than the price of Roon membership. The Aries/iPad combination is worth every penny.