Audiobus: Use your music apps together.
What is Audiobus? — Audiobus is an award-winning music app for iPhone and iPad which lets you use your other music apps together. Chain effects on your favourite synth, run the output of apps or Audio Units into an app like GarageBand or Loopy, or select a different audio interface output for each app. Route MIDI between apps — drive a synth from a MIDI sequencer, or add an arpeggiator to your MIDI keyboard — or sync with your external MIDI gear. And control your entire setup from a MIDI controller.Download on the App Store
Audiobus is the app that makes the rest of your setup better.
Building a UI
I'm still developing my app (which while going slowly is definitely getting there - hurrah!). However, I'm running into issues with the UI, and was wondering what frameworks people are using? I've tried SwiftUI and really don't like it, and am currently looking at building my own with SpriteKit but, again, really don't like it I'm guessing that leaves me with UIKit but I'm concerned about longevity of support.
Can anyone shed any light on what they use, what they've found the most accessible, scalable, etc?
Thanks in advance,