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.

Koala Sampler-> Audiobus Issue?

I can never successfully launch Koala from Audiobus (as an instrument/sound-source). Anyone else have this issue? Not sure who to contact or if isolated situation.

Koala will load into AB if I go to the home screen and open the app separately and then go back into AB and restart/load it as an audio source.


  • Better get in touch with the koala people to let them know there’s an issue

  • There are several issues with Koala loading - Marek the developer has recently become aware of them.

  • On my iPad on os14, AB won’t even connect to Koala.

  • I'm mainly using Koala with AUM in the FX slot (to enable sampling) no issues there...

    But I guess it will be fixed if enough people get in touch with him :)

  • Update is out and now loads in Audiobus again. Thanks Marek!

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