zMors modular is a modular synthesizer for iPad. You can add various modules to your patch and connect them with cables. You can use hardware gear with up to 8 usb inputs/outputs for audio and/or control voltage send and midi in/out
OSC, MultimodeFilter, WaveTable, ADSR, Slew, VCA, DSP, Combiner, Oscilloscope, Chords, CV Sequencer, Step Sequencer, Midi Keyboard, XYPad, Delay, Reverb, BPM CLock,4x4 MatrixMixer, Macro for complex setups, Quantizer, Sample/Hold, AudioUnit Host (fx+synth), gate/cv to midi, 4 Band PEQ