
iTunes: Analog Synth X - Aurelius Prochazka
Currently free.
"Matt Fecher's analog synthesizer for iPad created entirely with the new AudioKit 3.0 framework.

Features:
* 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"