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 StoreAudiobus is the app that makes the rest of your setup better.
Audiobus on 50% sale for limited time!
We’re exceptionally proud to announce that Apple’s Garageband is now compatible with Audiobus.
To celebrate that we’re putting Audiobus on a 50% sale for limited time.
Now go ahead an make some music. 
Cheers,
The Audiobus Team
Comments
Good call. Good luck!
AB was already too cheap for what it does and now you are about to get a huge sales spike and you guys are like "nah just keep half the cash"!!! hahaha You guys are too nice! :-)