Plugin interface — screenshot pending
MIDI FX

Arpeggiator

Apple

Where to get itIncluded with Logic Pro and GarageBand. It is part of those DAWs, not a separate download.apple.com

Arpeggiator is a MIDI effect plugin for Logic Pro that generates musically interesting arpeggios from incoming MIDI notes. It features split and remote keyboard control for live performance, allowing users to switch between patterns, variations, and inversions without leaving the keyboard. The plugin combines real-time Live mode with a customizable 16-step Grid mode for detailed pattern editing.

Written from the manual and checked against it. How we check

Key Features

01Six directional note orders: Up, Down, Up/Down, Outside-In, Random, As Played
02Four variations and four inversions for each note order pattern
03Rate control with note divisions: 1/4, 1/8, 1/16 (triplet and dotted), 1/32
0416-step Grid mode with individual velocity, length, rest, tie, and chord control
05Keyboard split into three zones: Remote, Arpeggio, and Through
06Latch modes: Reset, Transpose, Gated Transpose, Add, Add Temporarily, Through
07Live and Grid modes for real-time performance or step-by-step editing
08MIDI controller assignment for Note Length, Velocity Range, Velocity Base, and Crescendo

Things to Try

  • 01Use Latch mode with Transpose to play a single key and shift the arpeggio pitch without changing the held notes
  • 02In Grid mode, drag velocity/length bars to the right until they overlap the next step to create ties and build extended rhythmic patterns
  • 03Assign a MIDI controller to the Crescendo/Random knob to add dynamic velocity changes that build across arpeggio repetitions
  • 04Split your keyboard into three zones using Keyboard Split, then open the Remote Key editor to assign specific MIDI keys to arpeggiator functions like cycle length or velocity control
Official Website↗User Manual↗

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