Modstep all in one MIDI sequencer and controller Introducing Modstep, Modulation Monster and the first full-blown MIDI sequencer for the iPad. Modstep... Read more In Groovebox Apps, Midi Apps, Synth Apps groovebox / ipad drum machine / ipad synth / midi Controller / midi seqeuncer / modstep / Modstep all in one MIDI sequencer and controller / pattern sequencer / templates 0 likes0 views2 min