"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 |
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 |
Camelot is a live performance & production tool connecting Hardware & Software Musical instruments to a single management system.
| Price | $29.99 |
|---|---|
| Author | Audio Modeling |
| Type | Tool |
| Supports | Audio Unit (AU), Ableton Link |
| Rating | total: (32), current: (32) |
| Released | 12/13/2018 |
| Updated | 04/23/2026 |
You can think of auGEN X in two ways: first, it is a handy utility for making audio test sounds, and second, it is a performable creative sound design tool.
| Price | $9.99 |
|---|---|
| Author | auDSPr |
| Type | Instrument, Tool |
| Instrument type | Synth |
| Instrument sounds | Other |
| Supports | Audio Unit (AU) |
| Rating | total: (11), current: (11) |
| Released | 12/18/2018 |
| Updated | 01/30/2026 |
SynthJacker is an autosampler for iOS. It automatically plays back a MIDI sequence with the notes and velocities you specify, and records the results into an audio file. It then slices the audio into individual sample files, ready to import into an iOS sampler app of your choice.
| Price | $8.99 |
|---|---|
| Author | Conifer Productions Oy |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (22), current: (22) |
| Released | 01/12/2019 |
| Updated | 06/28/2022 |
MIDI Tools is a suite of AUv3 MIDI audio units for iOS that lets you manipulate the MIDI messages inside your DAW’s effects chain, creating complex or otherwise impossible MIDI routings or effects.
| Price | $4.99 |
|---|---|
| Author | Victor Porof |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (22), current: (22) |
| Released | 01/21/2019 |
| Updated | 01/29/2019 |
Does the World need another MIDI Monitor? We thought so, and it's free, so you have nothing to lose to add this handy little utility to your app collection.
| Price | Free |
|---|---|
| Author | Audeonic Apps |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (4), current: (4) |
| Released | 02/05/2019 |
| Updated | 10/04/2019 |
Photon AU - Midi Recorder with Pad playback & Groove. Record your midi performances using this audio unit in your DAW then save/export them as standard midi files via email or directly to other apps.
| Price | $3.99 |
|---|---|
| Author | anthony saunders |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (19), current: (19) |
| Released | 02/16/2019 |
| Updated | 03/24/2019 |
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 |
Holon.ist uses sensors from your iPhone, Apple Watch or Movesense smart sensors (supported through In-App Purchases) to create musical mappings from real-world events and locations.
| Price | $13.99 |
|---|---|
| Author | Holonic Systems Oy |
| Type | Tool |
| Supports | Ableton Link |
| Rating | total: (12), current: (12) |
| Released | 03/24/2019 |
| Updated | 04/18/2025 |
Song Memo is the easiest way to take notes of your song ideas. The chord keyboard of Song Memo allows you to write chord progressions more quickly. Chords are automatically detected while you are taking a note.
| Price | Free |
|---|---|
| Author | AmoriyA |
| Type | Tool |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (441), current: (441) |
| Released | 04/20/2019 |
| Updated | 09/30/2022 |
Mozaic runs inside your favorite AU MIDI host, and gives you practical building blocks such as LFOs, pre-fab GUI layouts, musical scales, AUv3 support (with AU Parameters, transport events, tempo syncing, etc.), random generators and a super-simple yet powerful script language.
| Price | $1.99 |
|---|---|
| Author | Bram Bos |
| Type | Tool |
| Supports | Audiobus, Audio Unit (AU) |
| Rating | total: (80), current: (80) |
| Released | 05/17/2019 |
| Updated | 07/10/2025 |
With iziCast you can send audio from the internal microphone, external audio devices or Audiobus compatible apps to Icecast and Shoutcast servers.
| Price | $9.99 |
|---|---|
| Author | Daniel Noethen |
| Type | Tool |
| Supports | Audiobus |
| Rating | total: (171), current: (171) |
| Released | 05/17/2019 |
| Updated | 10/01/2024 |
The WoodStepper is a sequencer having both audio and midi out.
| Price | $10.99 |
|---|---|
| Author | Woodman's Immaculate Maple Syrup Studio |
| Type | Tool |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (12), current: (12) |
| Released | 06/01/2019 |
| Updated | 07/01/2024 |
The music theory reference tool for musicians of all skill levels. Tonality allows you to view and listen to a large database of piano chords and scales and features a chord-recognition tool that can identify chords you play on your instrument.
| Price | $7.99 |
|---|---|
| Author | Bryce Hostetler |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (128), current: (128) |
| Released | 06/13/2019 |
| Updated | 11/20/2023 |
Binaural Location goes beyond the simple pan control; it allows you to place your audio at a specific location anywhere in a virtual space around the listener. The location of the L and R control points on the screen controls the location of two virtual speakers. Based on the angle and distance from the speakers to the listener's ears, the app creates a realistic impression that the sound is actually coming from the specific location of the L and R points.
| Price | $4.99 |
|---|---|
| Author | Blue Mangoo Consulting Company Limited |
| Type | Effect, Tool |
| Effect type | Stereo, Pan effects |
| Supports | Audio Unit (AU) |
| Rating | total: (14), current: (14) |
| Released | 06/15/2019 |
| Updated | 06/25/2021 |
MIDI Mod is a set of modules designed to be used as modulation sources that send MIDI to various destinations.
| Price | $2.99 |
|---|---|
| Author | Steven Connelly |
| Type | Tool |
| Supports | Ableton Link |
| Rating | total: (10), current: (10) |
| Released | 07/06/2019 |
| Updated | 10/03/2021 |