Virtual studio Caustic 3 for iOS has been updated with AudioBus support, background audio and MIDI, a new synth and more.

Caustic 3 is inspired by rack-mount synthesizer/sampler rigs, and is optimized for real-time mobile music-making.

Here’s what’s new in Caustic 3.1.0:

AudioBus support (in+out)

Background audio + virtual MIDI

New synth: KSSynth

2 new Modular components

Undo/Redo in pianoroll editors

MIDI Pitch bend + CC mappings

Metronome count-in

Velocity pads for BeatBox

Skinning support

Here’s a video introduction:

This video looks at using Caustic 3 with AudioBus and virtual MIDI:

Caustic 3 is available for US $9.99 in the App Store.

If you’ve used Caustic 3, leave a comment and let us know what you think of it!