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.
The Power of Pure Synth Platinum 2
We have plans for several tutorial videos on some of the hidden gem features of Pure Synth. We've read many forums and it is clear we have not done a good job on marketing, because many people do not realize that even without all of the samples, Pure Synth is a very capable and power synthesizer with over 1,000 wavetables and analog modeled synths. The next version is coming soon with a ton of new features and will be a free update.
In the meantime, here is an exhaustive video from one of our partners on some of the nuances of the Synth: