iTunes: midiSTEPs - midi step sequencer toy - Arthur Kerns

midiSTEPs was designed from the ground up as a touch-based iPad sequencer app, so it's super easy and intuitive to enter, edit and play sequences.
midiSTEPs features:
64 step sequencer based on the classic SH-101 sequencer
Set note, chord or rest per step
Set accent and tie per step
Set CC, velocity, length parameters per step
Mute and skip individual steps
Set start and end points within sequence
Edit individual steps
Transpose, loop or one shot, start and pattern sync options
Four independent sequencer parts with 16 patterns each per set
Parts can have different speeds, lengths, sync and trigger options
Pattern Mix page with clip-launcher style pattern triggering
External MIDI clock sync with clock shift adjustments and swing
Easy to set up CoreMIDI configuration and MIDI mapping
Easy to use touch interface designed specifically for iPad"