RhythmBud is a MIDI effect application that would transform incoming MIDI messages into the rhythmic pattern you will create on its editor.
| Price | $4.99 |
|---|---|
| Author | Cem Olcay |
| Type | Tool |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (20), current: (20) |
| Released | 11/06/2019 |
| Updated | 05/29/2021 |
"QuantiChord" is a MIDI effect that generates chords from incoming notes and quantizes the results to a pre-defined scale. It can be used as a standalone application or as an Audio Unit MIDI effect plug-in.
| Price | $12.99 |
|---|---|
| Author | Laurent Colson |
| Type | Tool |
| Supports | Audiobus, Audio Unit (AU) |
| Rating | total: (11), current: (11) |
| Released | 11/16/2018 |
| Updated | 01/29/2026 |
Program Changer is a super simple tool to send and receive MIDI Program Changes.
| Price | Free |
|---|---|
| Author | Oscar Bouwmans |
| Type | Tool |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (4), current: (4) |
| Released | 06/01/2018 |
Pro Metronome is a tool that helps you master both daily practice and stage performance.
| Price | Free |
|---|---|
| Author | Polybeat Limited |
| Type | Tool |
| Supports | Audiobus |
| Rating | total: (20199), current: (20199) |
| Released | 12/03/2011 |
| Updated | 07/22/2026 |
Polythemus AUv3 Midi was created for five main uses: сreating a polyphonic synth from individual monophonic synths, stacking different or similar synths that play alternatively for variation, interesting variations in timbre & rhythms by having multiple synths driven with a sequencer (e.g. Quantum) or arpeggiator, work outside IOS on hardware synths, voice allocation of externally hosted software vst(e.g. Logic or Ableton Live) using mac osx IDAM for direct device to mac midi.
| Price | $3.99 |
|---|---|
| Author | anthony saunders |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (7), current: (7) |
| Released | 03/05/2019 |
| Updated | 03/30/2019 |
Metronome, Drum Machine, Practice Log.
| Price | $59.99 |
|---|---|
| Author | PolyNome Ltd |
| Type | Instrument, Tool |
| Instrument type | Sampler |
| Instrument sounds | Other |
| Supports | Audiobus |
| Rating | total: (328), current: (328) |
| Released | 09/16/2016 |
| Updated | 07/28/2026 |
PolyHarp is a virtual musical instrument and a thought experiment. It's a testbed for harmonic theory as well as a great multi touch simulator of the good old "idiot zither" you have in the attic.
| Price | $4.99 |
|---|---|
| Author | Henry Lowengard |
| Type | Instrument, Controller, Tool |
| Instrument sounds | Other |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (11), current: (11) |
| Released | 11/29/2018 |
| Updated | 12/23/2024 |
polybeat is an advanced and extremely flexible drum and percussion sequencer able to generate complex polyrhythmic and polymetric rhythmic patterns.
| Price | $7.99 |
|---|---|
| Author | Corne Driesprong |
| Type | Tool |
| Instrument sounds | Drums, Percussion |
| Supports | Audiobus, Audio Unit (AU) |
| Rating | total: (20), current: (20) |
| Released | 09/10/2021 |
| Updated | 05/22/2022 |
Poly 2 is a generative sequencer that creates evolving patterns and melodies based on the power of polyrhythms.
| Price | Free |
|---|---|
| Author | James Milton |
| Type | Host, Tool |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (683), current: (683) |
| Released | 10/12/2019 |
| Updated | 09/04/2025 |
Plotony is a harmonograph simulator that transforms MIDI input into beautiful, animated drawings.
| Price | Free |
|---|---|
| Author | Grant Emerson |
| Type | Tool |
| Supports | Audiobus, Audio Unit (AU) |
| Rating | total: (6), current: (6) |
| Released | 03/23/2020 |
| Updated | 06/19/2020 |
Let the musical muses of Piano Motifs inspire your device to generate some original and beautiful motifs (short melodies).
| Price | $5.99 |
|---|---|
| Author | Fernando Morales |
| Type | Tool |
| Supports | Ableton Link |
| Rating | total: (127), current: (127) |
| Released | 04/07/2020 |
| Updated | 08/14/2026 |
Physicles is a container of physics-based Audio Unit MIDI plugins. These AU MIDI plugins generate MIDI messages through the use of an underlying physics engine, which models the physical interactions between various entities.
| Price | Free |
|---|---|
| Author | Rodrigo Roman |
| Type | Tool |
| Supports | Audiobus, Audio Unit (AU) |
| Rating | total: (26), current: (26) |
| Released | 08/06/2018 |
| Updated | 01/03/2019 |
This application is simply a container for the Audio Unit and also serves as the documentation for the AU. PhaseDelayArray is a bit of a strange effect. O.K, so, what is it? PhaseDelayArray has three effect units chained together in an interesting configuration, and one of these units is just a little bit twisted.
| Price | Free |
|---|---|
| Author | Neon Silicon |
| Type | Effect, Tool |
| Effect type | Other |
| Supports | Audio Unit (AU) |
| Rating | total: (47), current: (47) |
| Released | 08/02/2019 |
| Updated | 04/14/2021 |
OSCILLOSCOPE & SPECTROGRAM is an audio analyzer app and audio unit plugin.
| Price | $5.99 |
|---|---|
| Author | Blue Mangoo Consulting Company Limited |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (28), current: (28) |
| Released | 08/13/2020 |
| Updated | 09/04/2020 |
Been saving up for that Hang, but don't have quite enough yet? You can get busy on our version of the infamous steel instrument.
| Price | $0.99 |
|---|---|
| Author | Avacata |
| Type | Instrument, Tool |
| Instrument type | Synth |
| Instrument sounds | Drums, Percussion, Other |
| Supports | Audiobus |
| Rating | total: (38), current: (38) |
| Released | 05/07/2009 |
| Updated | 06/24/2015 |
Whether you're 2 or 92, NodeBeat will make you sound like a pro. Create your own music in a matter of minutes or listen to NodeBeat generate its own.
| Price | Free |
|---|---|
| Author | Scitta Investment LLC |
| Type | Instrument, Tool |
| Instrument sounds | All-in-one |
| Supports | Audiobus |
| Rating | total: (503), current: (503) |
| Released | 02/28/2021 |
| Updated | 03/20/2021 |
Load any MIDI file and sound library (a small General MIDI sound font is included). Play midi files with additional features.
| Price | $1.99 |
|---|---|
| Author | Dr. Garbers Softwareentwicklung |
| Type | Instrument, Tool |
| Instrument type | Sampler |
| Instrument sounds | All-in-one |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (8), current: (8) |
| Released | 12/23/2013 |
| Updated | 12/15/2023 |