Audio Unit (AU) Tools (70)

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Audio Unit (AU) technology compatible musician tool list for iOS

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 $16.99
Author Imaginando Lda
Type Tool
Supports Audiobus, Audio Unit (AU)
Rating total: 4.51786 (56), current: 4.51786 (56)
Released 06/14/2021
Updated 01/23/2023

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: 4.46429 (28), current: 4.46429 (28)
Released 09/08/2020
Updated 01/22/2023

MusiKraken is an Experimental MIDI Controller Construction Kit. Make music using your hands, face, voice or by rotating the device!

Price $9.99
Author Snarp
Type Tool
Supports Audio Unit (AU)
Rating total: 5 (8), current: 5 (8)
Released 11/24/2020
Updated 01/28/2023

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: 4.84 (100), current: 4.84 (100)
Released 06/13/2019
Updated 01/27/2023

A simple free music player that allows you to play music files while playing effectors that support Audio Units Extension (AUv3 plugin) format.

Price Free
Author fmfmsoft Corp.
Type Host, Tool
Instrument type Sampler
Supports Audio Unit (AU)
Rating total: 3.33333 (3), current: 3.33333 (3)
Released 08/31/2020
Updated 12/27/2022

Session Notes AU provides access to a custom-tailored notes database directly within your Digital Audio Workstation (DAW).

Price $2.99
Author Christian Thompson
Type Tool
Supports Audiobus, Audio Unit (AU)
Rating total: 3.66667 (3), current: 3.66667 (3)
Released 02/18/2021
Updated 10/16/2022

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: 4.09091 (11), current: 4.09091 (11)
Released 12/22/2020
Updated 10/16/2022

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: 4.4375 (16), current: 4.4375 (16)
Released 06/08/2018
Updated 04/07/2022

This is an AUv3 compatible Multi-Track Recorder plugin specifically designed for AUM and other DAW's that don't support audio recording capabilities.

Price $10.99
Author 4Pockets.com
Type Tool
Supports Audio Unit (AU)
Rating total: 4.23332 (30), current: 4.23332 (30)
Released 10/21/2019
Updated 02/24/2022

This is a AUv3 compatible analyser / tuner which can be used as plugin with your favourite DAW such as Cubasis, Meteor, Auria or GarageBand.

Price $7.99
Author 4Pockets.com
Type Tool
Supports Audio Unit (AU)
Rating total: 3.92857 (14), current: 3.92857 (14)
Released 09/23/2018
Updated 10/28/2020

MidiMixer is an AUv3 plugin specifically designed for AUM which allows you to control your mix and record automation synced to AUM's timeline.

Price $6.99
Author 4Pockets.com
Type Tool
Supports Audio Unit (AU)
Rating total: 4.63157 (19), current: 4.63157 (19)
Released 12/09/2020
Updated 04/08/2021

Bark Filter is a Critical Band Analyser/Filter/Compressor.

Price $7.99
Author Harry Gohs
Type Effect, Tool
Effect type Equalizer, Filter, Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.8 (15), current: 4.8 (15)
Released 08/03/2017
Updated 08/11/2017

SnakeBud is a 16-step AUv3 MIDI Sequencer with a 4x4 grid. You can set the note, gate, velocity and probability values for each step and you can also toggle them on/off.

Price $6.99
Author Cem Olcay
Type Tool
Supports Audio Unit (AU), Ableton Link
Rating total: 4.28571 (7), current: 4.28571 (7)
Released 06/02/2021
Updated 12/16/2022

ArpBud 2 is a MIDI Arpeggiator app where you can create unique arp patterns and be able to arpeggiate your favorite software or hardware synthesizers.

Price $6.99
Author Cem Olcay
Type Tool
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.8 (15), current: 3.8 (15)
Released 08/06/2020
Updated 12/16/2022

AUVideoPlayer is a video player that works as an Audio Unit v3 plugin (AUv3) in your favorite DAW host apps such as AUM, Garageband, Cubasis or Audiobus.

Price $5.99
Author Hiroshi Kajihata
Type Tool
Supports Audiobus, Audio Unit (AU)
Rating total: 5 (6), current: 5 (6)
Released 03/03/2021
Updated 12/05/2022

7Xwave - a 7 track sample sequencer with synthesizer & animatable modulation features.

Price $6.99
Author Rob Wilmot
Type Instrument, Tool
Instrument type Sampler
Instrument sounds Keyboards
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4 (7), current: 4 (7)
Released 08/28/2020
Updated 11/17/2020

DigiKeys is an AUv3 compatible MIDI sequencer plugin for AUM or other AUv3 compatible host applications.

Price $8.99
Author 4Pockets.com
Type Tool
Supports Audio Unit (AU)
Rating total: 4.375 (16), current: 4.375 (16)
Released 02/11/2020
Updated 02/15/2022

So what is a midi echo? It is similar to the audio echo effect where copies of the original audio are repeated at regular time intervals but with some form of change (e.g. quieter). But unlike audio, midi is digital in nature (low resolution 8 bit mostly) and focused around the midi note on & off message used to control synths etc.

Price $1.99
Author anthony saunders
Type Tool
Supports Audiobus, Audio Unit (AU)
Rating total: 3.28571 (7), current: 3.28571 (7)
Released 10/25/2018
Updated 05/08/2019

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: 4.2 (5), current: 4.2 (5)
Released 03/05/2019
Updated 03/30/2019

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: 3.72222 (18), current: 3.72222 (18)
Released 02/16/2019
Updated 03/24/2019
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Did you know?

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.