I have a room full of synths from the 70's and 80's, two racks full of synths from the 90's, a veritable crap heap of soft synths on various Macs, and a Eurorack corner that threatens to implode my universe .. an as well - my Zynthian and Monome systems are chock full of great stuff, too.

It's not just iOS.

Zynthian and Monome provide an AMAZING ecosystem for audio exploration. If you haven't checked that out as well, here's the links:

https://monome.org

https://zynthian.org

That said - I could easily just get another iPad, throw away the room full of synths, wire up my iPads and the Zynthian and Monome systems, and be quite satisfied.