Super-easy MIDI Recording

  • LoopBud is a super simple yet very powerful MIDI recorder and looper.

    You can record MIDI very quickly for your melody ideas or live jamming.

    It designed with 4-bar loops in mind but you can work with unlimited number of bars.

    Also, you can create unlimited number of patterns and change them with MIDI CC messages!

Sequencer & Arpeggiator.

Two easy record modes

  • It has two record modes: Add mode and New mode.

  • Add mode appends new notes on each new loop cycle

  • New mode clears out the previous cycle and lets you start a fresh recording.

  • - You can always go back with the “undo” button if you make a mistake.

Interval sequencer.

Loop and Live Perform

  • You have different options for making your recordings interesting.

    You can toggle quantization on/off while recording.

    You can also set the quantization level from the settings menu.

    You can change the clock speed and make your recording play faster or slower

    You can also focus on a single bar by pressing the bar measure. It will loop only that bar.

Pitch sequencer.

Handy Settings & MIDI Export

  • You can set the highest/lowest notes of the piano roll.

    You can also set the note order of the piano roll.

    You can long-press to patterns and bars for copy/paste/delete options.

    You can copy/paste patterns between different instances of LoopBud AUv3 plugins.

    You can export the MIDI pattern by pattern or you can merge all patterns and export a single MIDI file.

Sequence MIDI apps.

Take Advantage of AUv3

  • LoopBud comes with an Audio Unit plugin which you can use with your favorite AUv3 host apps like AUM, Cubase, BeatMaker, apeMatrix, NanoStudio etc.

    You can create custom presets and save your current ArpBud 2 state to your host app - load it again anytime.

Smart layout on iOS Devices.

Download for iOS

Open source

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

Music Theory

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


Send and receive MIDI in human language with Swift enums.


Customisable and editable MIDI Piano Roll.

Other Apps

There are other great music theory apps available.


A music theory app that shows you lots of scales and chords with lots of features.


A music theory app for guitar, bass or any kind of instrument player with frets.


A powerful chord progression app with built-in MIDI sequencer.


MIDI Sequencer and Arpeggiator for iOS.


AUv3 MIDI Music Theory Keyboard for iOS.


AUv3 MIDI Sequencer for iOS.


AUv3 MIDI Rhythm Generator for iOS.

ArpBud 2

AUv3 MIDI Arpeggiator.

ChordBud 2

AUv3 MIDI Chord Sequencer.

Chord Detector

Mac Status Bar App.


AUv3 MIDI Recorder.


Techno Bass Lines.


AUv3 MIDI Sequencer.

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