Audio Unit (AU) technology compatible musician tool list for iOS
Get audio visuals with your AUv3 host or the standalone app. Scope uses a two-axis graph to give a visual representation of a waveform over time, with the horizontal axis representing time and the vertical axis representing the amplitude.
| Price | $2.99 |
|---|---|
| Author | DiscoDSP LLC |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (19), current: (19) |
| Released | 05/11/2020 |
| Updated | 02/12/2026 |
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 |
"StepPolyArp Unit" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an Audio Unit MIDI effect plug-in.
| Price | $19.99 |
|---|---|
| Author | Laurent Colson |
| Type | Instrument, Tool |
| Supports | Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (47), current: (47) |
| Released | 07/25/2018 |
| Updated | 01/30/2026 |
MIDI Strummer is an AUv3 plugin designed to simulate guitar strumming and picking techniques. It can used to generate MIDI note data which can be sent to either an external synth of choice or the internal soundfont engine.
| Price | $6.99 $12.99 |
|---|---|
| Author | 4Pockets.com |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (49), current: (49) |
| Released | 09/25/2020 |
| Updated | 08/28/2025 |
"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 |
Need to look up sheet music, guitar tablatures, lyrics, mixing notes, chord charts or search for a ‘how to...’ YouTube video? Web AU makes that possible without disrupting your audio production workflow.
| Price | $1.99 |
|---|---|
| Author | Christian Thompson |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (18), current: (18) |
| Released | 12/22/2020 |
| Updated | 01/27/2026 |
Session Notes AU provides access to a custom-tailored notes database directly within your Digital Audio Workstation (DAW).
| Price | $1.99 |
|---|---|
| Author | Christian Thompson |
| Type | Tool |
| Supports | Audiobus, Audio Unit (AU) |
| Rating | total: (7), current: (7) |
| Released | 02/18/2021 |
| Updated | 01/27/2026 |
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: (27), current: (27) |
| Released | 12/13/2018 |
| Updated | 01/22/2026 |
ToneBoosters Spectrogram shows a real-time spectrogram of the incoming audio signal. The ToneBoosters Spectrogram app captures the microphone input and processes the signals in real time.
| Price | Free |
|---|---|
| Author | ToneBoosters |
| Type | Tool |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (43), current: (43) |
| Released | 09/08/2020 |
| Updated | 12/28/2025 |
The Red Rock Sound SA60 real time 1/3 octave Spectrum Analyser combines ease of use, accuracy and versatility in one economical, reliable unit. Interface is modelled on classic DN60 spectrum analyser, originally developed in 1980.
| Price | Free |
|---|---|
| Author | RRS, OOO |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (10), current: (10) |
| Released | 05/15/2020 |
| Updated | 12/29/2025 |
A streaming sound palette for experimental musicians, sound designers and artists. Includes over 40 preset randomized Internet audio streams.
| Price | $2.99 |
|---|---|
| Author | Casey I.T. LLC |
| Type | Tool |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (16), current: (16) |
| Released | 06/08/2018 |
| Updated | 01/18/2024 |
Bark Filter is a Critical Band Analyser/Filter/Compressor.
| Price | $3.99 |
|---|---|
| Author | Harry Gohs |
| Type | Effect, Tool |
| Effect type | Equalizer, Filter, Compressor, Limiter, Gate |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (29), current: (29) |
| Released | 08/03/2017 |
| Updated | 09/28/2025 |
7Xwave - a 7 track sample sequencer with synthesizer & animatable modulation features.
| Price | $2.99 |
|---|---|
| Author | Rob Wilmot |
| Type | Instrument, Tool |
| Instrument type | Sampler |
| Instrument sounds | Keyboards |
| Supports | Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (10), current: (10) |
| Released | 08/28/2020 |
| Updated | 05/30/2025 |
VS provides a creative way to generate beautiful graphical representations of your music projects. Driven by both audio and MIDI data, VS is the visual equivalent of a traditional synthesizer.
| Price | $14.99 |
|---|---|
| Author | Imaginando Lda |
| Type | Tool |
| Supports | Audiobus, Audio Unit (AU) |
| Rating | total: (119), current: (119) |
| Released | 06/14/2021 |
| Updated | 11/27/2025 |
With sEGments slicer/sampler app you can Import any loop/sample/audio file and find the best samples inside it, using the automatic transient detection or manually adding markers.
| Price | $12.99 |
|---|---|
| Author | Elliott Garage |
| Type | Instrument, Tool |
| Instrument type | Sampler |
| Instrument sounds | Other |
| Supports | Audio Unit (AU) |
| Rating | total: (171), current: (171) |
| Released | 06/26/2020 |
| Updated | 03/11/2024 |
Now available as an Audio Unit extension (AUv3) allowing it to act as a powerful MIDI sequencer and clip launcher.
| Price | Free |
|---|---|
| Author | Imaginando Lda |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (687), current: (687) |
| Released | 03/04/2015 |
| Updated | 11/22/2025 |
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 |
BeatCutter is an experimental multi-channel app for slicing and recombining sound based on rhythm.
| Price | $15.99 |
|---|---|
| Author | Igor Vasiliev |
| Type | Effect, Tool |
| Effect type | Other |
| Supports | Audiobus, Audio Unit (AU) |
| Rating | total: (28), current: (28) |
| Released | 04/02/2021 |
| Updated | 11/02/2024 |
apeMatrix is a unique AU/IAA routing tool that gives you total control over what you want to do and how you want to do it.
| Price | $14.99 |
|---|---|
| Author | apeSoft |
| Type | Tool |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (83), current: (83) |
| Released | 07/04/2018 |
| Updated | 07/28/2025 |
Audio Units (AU) is an audio plug-in technology built in Apple's macOS and iOS operating systems. Initially developed for desktop operating systems along with VST (Virtual Studio Technology by Steinberg GmbH), it available now for iOS too. AU apps (plug-ins) can modify sound pitch, sample rate and stream over network, produce signal.
