Unlimited Steps with Unlimited Possibilities

  • Add as many steps as you want to your sequencer.

  • Assign chords or notes in any scale and key, or create custom notes.

  • Edit rate, gate time, velocity, modulation, pitch bend, portamento, and repeat count for each step.

  • Complete creative freedom with no step limitations.

Unlimited Steps with Unlimited Possibilities
Built-in Music Theory Engine with +40 Scales

Built-in Music Theory Engine with +40 Scales

  • Select your scale and key to work with professional-grade music theory.

  • Change sequencer mode from single notes to chords.

  • Fader ranges automatically update to the selected scale, even during playback.

  • Adjust fader range by setting minimum-maximum octaves from the settings strip.

  • In chord mode, fader ranges update with scale chords including triads, 7th, 9th, 11th, and 13th variations.

Edit the Notes of Your Steps with a Keyboard

  • Set custom notes or chords for any step using the step editor.

  • Work with the virtual keyboard or your own MIDI keyboard.

  • Select different scales or keys for individual steps.

  • Quickly pick notes or chords within your selected scale.

  • Preview your selections before committing to the sequence.

Edit the Notes of Your Steps with a Keyboard
Take advantage of AUv3 Plugin

Take advantage of AUv3 Plugin

  • Compatible with supporting hosts like AUM, Audiobus 3, Cubasis 2, Beat Maker 3, apeMatrix, and Sequencism.

  • Route its MIDI output to other AUv3 Synths.

  • Route your MIDI keyboard or other MIDI app's output to StepBud for scale-locked playing.

  • In note mode, StepBud filters out off-scale notes.

  • In chord mode, StepBud plays appropriate chords if available in the scale for the root note.

Audiobus MIDI Sending and Ableton Link

  • Use in Audiobus 3 as a MIDI Sender.

  • In this mode, sequence the connected app directly.

  • Use Ableton Link for synchronization with other compatible apps.

  • Filters off-scale notes in note mode and sends chords in chord mode.

Audiobus MIDI Sending and Ableton Link

Discontinued! Please check out PolyBud

Download on App Store

Download for iOS

Open Source

StepBud offers its core components on Github.
They are all shared libraries for iOS, macOS and tvOS platforms, written in Swift.

Music Theory

Music Theory

A music theory library with Note, Interval, Scale and Chord representations in Swift enums.

MIDIEventKit

MIDIEventKit

Send and receive MIDI in human language with Swift enums.

LiveFader

LiveFader

@IBDesignable Horizontal or vertical UIControl subclass that can start from bottom or middle of the control.

Other Apps

ArpBud 2

ArpBud 2

AUv3 MIDI Arpeggiator.

ChordBud 2

ChordBud 2

AUv3 MIDI Chord Sequencer.

LoopBud

LoopBud

AUv3 MIDI Recorder.

Euclid

Euclid

AUv3 Techno Bass Lines.

SnakeBud

SnakeBud

AUv3 MIDI Sequencer.

MelodyBud

MelodyBud

AUv3 MIDI Generative Sequencer.

ScaleBud 2

ScaleBud 2

AUv3 MIDI Keyboard.

ShiftBud

ShiftBud

AUv3 MIDI Sequencer.

PolyBud

PolyBud

Multitrack Polyrhythmic Sequencer.

PatternBud

PatternBud

MIDI CC Sequencer.

Textquencer

Textquencer

AUv3 MIDI Sequencer.

In Theory

In Theory

AUv3 MIDI Keyboard.

BrainBud

BrainBud

Bud App Controller.

Binarhythmic

Binarhythmic

Binary Based MIDI Sequencer.

Auto Bass

Auto Bass

Bassline MIDI Generator.

BounceBud

BounceBud

Physics Based MIDI Sequencer.

MuseBud

MuseBud

Generative MIDI Sequencer.

Auto Fills

Auto Fills

Drum Fill Generator.

Kebarp

Kebarp

MIDI Arpeggiator.

FuncBud

FuncBud

Generative MIDI Sequencer.

Note to Be

Note to Be

AUv3 MIDI Quantizer.

Harmonicc

Harmonicc

Chord Progression Sequencer.

ScratchBud

ScratchBud

Vinyl Scratching FX

ShapeStage

ShapeStage

Morphing FX Processor

RollBud

RollBud

Trance Gate & Roll FX

Nikaya

Nikaya

Wavetable & FM Synth

Your feedback is important for us.