"StepPolyArp" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an AUv3 MIDI effect plug-in.
The application and the plug-in can operate as a step arpeggiator by automatically generating melodic patterns from played notes or chords, or as a step sequencer that doesn't require MIDI input to play.
Standalone application and Audio Unit MIDI effect plug-in
Arpeggiator and step sequencer mode
1 to 32 steps programmable matrix
11 configurable transposition lines
16 patterns by preset
Automatic chaining patterns
8 octaves resizable keyboard
Internal sound bank
Receiving MIDI from external MIDI sources
Receiving external MIDI sync (MIDI clock)
Ableton Link support
Internal routing of inputs, outputs, and MIDI sync
Send MIDI to a virtual port that can be used as MIDI input by other "Core MIDI" compatible applications
Default velocity, modulation, pan, volume, aftertouch, and pitch bend steps controller
Customizable steps controller MIDI setup
Arpeggiator and sequencer conform to the selected scale
6 arpeggiator modes
1 random mode
1 chord mode
Random patterns creation
"Program Change" support
Preset sharing support by "AirDrop", "Mail", "Message" and other available services
Native iCloud support
"iCloud Drive" support in "Files" app on iOS and in "Finder" on macOS
Full support of "Split View" and "Slide Over"
128 Undo / Redo levels
Copy and paste
Lockable keyboard (latch mode)
Logic Pro, Cubasis, Beatmaker, AUM, Audiobus, NanoStudio, Auria Pro, apeMatrix
Logic Pro 10.7 or later
Virtual "Core MIDI" connections between applications
Any compatible MIDI interface
MIDI over Wifi
MIDI over Bluetooth
Ableton Link (sync and transport)
StepPolyArp includes Ableton Link technology that synchronizes beat, phase and tempo of Ableton Live and Link-enabled apps over a wireless network.
A video introduction to StepPolyArp. The presets used are "Wonderland", "Overture", "Poly Percs", "Leader", and random generated patterns.
Learn how to memorize notes in StepPolyArp sequencer mode.