iOS Musician Apps (580) Supported Technologies is Audio Unit (AU)

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The WU (Wrapped Units) Series algorithmic reverb exposes the user interface of the systems Audio Unit and makes it available to all host applications that support AUv3 audio processing plugins.

Price $3.99 Free
Author Jens Guell
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 3 (2), current: 3 (2)
Released 09/12/2020
Updated 03/12/2024

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: 4.95455 (22), current: 4.95455 (22)
Released 11/24/2020
Updated 03/18/2026

VintageRack is a multi-effect application that contains modules modeling notable retro gear from the early digital era.

Price $14.99
Author Igor Vasiliev
Type Effect
Effect type All-in-one
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 5 (7), current: 5 (7)
Released 09/21/2022
Updated 03/16/2026

Slice your audio samples with ReSlice and create flexible musical atoms which can be triggered by MIDI notes or the touch of your fingers.

Price $9.99 $4.99
Author Harry Gohs
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.25926 (27), current: 4.25926 (27)
Released 01/17/2017
Updated 06/20/2025

Additive synthesis is a sound synthesis technique that creates timbre by adding sine waves together. The timbre of musical instruments can be considered to consist of multiple harmonic or inharmonic partials or overtones.

Price $9.99 $5.99
Author Harry Gohs
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.53488 (43), current: 4.53488 (43)
Released 08/26/2020
Updated 12/04/2024

AudioLayer is a full featured open standard audio multi-sampler pushing the boundaries beyond what has been available even in the desktop music production worlds.

Price $19.99 $12.99
Author Harry Gohs
Type Instrument
Instrument type Sampler
Instrument sounds All-in-one
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.35503 (169), current: 4.35503 (169)
Released 08/03/2018
Updated 05/05/2025

The hybrid synthesis algorithm on which Addictive Pro is based provides you with efficient means for easy control of complex sounds far beyond usual sound synthesis methods.

Price $9.99 $5.99
Author Harry Gohs
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.73684 (19), current: 4.73684 (19)
Released 09/21/2016
Updated 11/27/2024

Specific sound morphing capabilities enables you to easily create complex evolving sound scapes, vocal phrases or stunning rhythms simply by choosing up to four sound sources from a predefined set.

Price $9.99 $5.99
Author Harry Gohs
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.35294 (17), current: 4.35294 (17)
Released 05/13/2021
Updated 12/05/2024

This shimmer effect is a combination of effects that creates an etherial wall of sound. The effect combines a digital delay and pitch shifter to create multiple harmonies before entering a rich long reverb with controllable filtering. The resulting effect is a monsterously huge sound adding a spacious atmospheric quality to any lead instrument or vocal.

Price $7.99 $4.99
Author 4Pockets.com
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects
Supports Audio Unit (AU)
Rating total: 4.2 (30), current: 4.2 (30)
Released 02/15/2019
Updated 08/29/2025

Compose your own music for free with Dorico. Create beautiful music notation for one or two instruments quickly and easily with the on-screen keyboard, drum pads and fretboard. Play back instantly with the included sounds and shape the performance with powerful MIDI editing tools. When your piece is finished, share it as PDF, audio or MusicXML, or print directly to your AirPrint-enabled printer.

Price Free
Author Steinberg Media Technologies GmbH
Type Host
Supports Audio Unit (AU)
Rating total: 4.63889 (1933), current: 4.63889 (1933)
Released 07/27/2021
Updated 03/12/2026

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 $7.99 $12.99
Author 4Pockets.com
Type Tool
Supports Audio Unit (AU)
Rating total: 4.2449 (49), current: 4.2449 (49)
Released 09/25/2020
Updated 08/28/2025

Wotja X is a new cross-platform interface for the 'Wotja Generative Music System'.

Price Free
Author Intermorphic Limited
Type Host, Instrument
Instrument type Sampler, Synth
Instrument sounds Keyboards
Effect type All-in-one
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.71569 (204), current: 4.71569 (204)
Released 02/20/2018
Updated 03/10/2026

Neon is a lightweight digital audio editor and recording plugin compatible with any AUv3 host.

Price $14.99
Author 4Pockets.com
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Audio Unit (AU)
Rating total: 3.96296 (27), current: 3.96296 (27)
Released 09/16/2021
Updated 02/20/2026

LumaFusion is a powerful multi-track video editor for mobile devices.

Price $29.99
Author Luma Touch LLC
Type Host
Supports Audio Unit (AU)
Rating total: 4.75168 (24521), current: 4.75168 (24521)
Released 12/22/2016
Updated 02/17/2026

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: 4.76023 (171), current: 4.76023 (171)
Released 06/26/2020
Updated 03/11/2024

Helium is a lightweight AUv3 MIDI sequencer plugin designed specifically for AUM. It supports up to 16 tracks of unlimited length with the ability to direct output to 16 channels on up to 16 MIDI output ports.

Price $14.99
Author 4Pockets.com
Type Host
Supports Audio Unit (AU)
Rating total: 4.36538 (52), current: 4.36538 (52)
Released 04/22/2021
Updated 11/30/2025

MicSwap is a Microphone Emulator and Recorder app.

Price Free
Author Future Moments
Type Effect
Effect type Vocal effects, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.49949 (6803), current: 4.49949 (6803)
Released 12/07/2014
Updated 03/06/2026

RM-1 is a multi purpose audio effect designed around various types of modulation.

Price $9.99
Author Kai Aras
Type Effect
Effect type Modulation effects
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.47368 (19), current: 4.47368 (19)
Released 12/15/2018
Updated 08/31/2020

Dual Digital Delay FX. Two separate (stereo) delay lines allow for a wide range of effects ranging from basic slapback and ping-ping type echos to complex modulations and soundscapes.

Price $5.99
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 3.86667 (15), current: 3.86667 (15)
Released 03/22/2016
Updated 04/14/2022

BLEASS Compressor is a tool for iOS musicians offering external sidechain input, input filters and real-time visualization with very low CPU usage.

Price $4.99
Author BLEASS
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.7037 (27), current: 4.7037 (27)
Released 11/10/2020
Updated 06/17/2022
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