Aurelius Prochazka has released Analog Synth X, a free app designed to show off the power off AudioKit 3 SDK. MIDI is supported but Audiobus is not supported. It is unclear if AUX or IAA are supported either. They have a weird mishmash of technologies from the Open Source community and Apple, so you'd expect support for AUX and IAA though neither is mentioned on their site. Update: Aurelius commented here that AUX and IAA are indeed supported!
Correction: Developer Matthew Fecher clarified in a comment here that AudioKit 3.0 supports AUX and IAA, but this specific app does not at this time. Well that was all super confusing. He does share some fun hacking tips for anyone with Xcode.
Analog Synth X iTunes Description:
Matt Fecher's analog synthesizer for iPad created entirely with the new AudioKit 3.0 framework.
Get the full source code now from the AudioKit website at audiokit.io.
- 5-Voice Virtual Analog Polysynth
- Dual Morphable VCO Oscillators
- Dedicated Sub Oscillator
- FM Oscillator w/ Mod
- Beautiful Sean Costello Reverb
- Free-running LFO w/ 4 waveforms
- Multi-tap (Ping-Pong) delay
- 4-Pole Vintage Modeled Filter
- ADSR Envelope
- MIDI in for notes
- Detune Oscillators by Semitone & Hz
- Hold & Mono modes for keyboard
- Noise generator
- 8-Bit Crusher