iOS Musician Apps (564) Supported Technologies is Audio Unit (AU)

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Modeled on the Roland SDE-3000 rack delay unit, the new DELAY3000 Vintage Modern Repeater plugin adds new features and an easy to use user interface that gives you a complete arsenal of delay effects at your disposal!

Price $7.99
Author Nembrini Audio
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (18), current: 5 (18)
Released 04/01/2020
Updated 09/27/2021

Spring Reverb models the sound and character of popular spring reverbs found in guitar amplifiers, popularized by Surf, Garage and Rockabilly music.

Price $7.99
Author Eventide
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 3.92308 (13), current: 3.92308 (13)
Released 01/15/2020
Updated 03/06/2024

QVox is a creative audio effect that transforms vocals, guitars, drums, and synths into four independent voices. Create beautiful harmonies, widen instruments and design groovy rhythmic sequences with diatonic pitch shifting and delay.

Price $7.99
Author Eventide
Type Effect
Effect type Pitch effects, Vocal effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.29412 (17), current: 4.29412 (17)
Released 12/11/2019
Updated 03/06/2024

MangledVerb is a unique effect combining a rich reverb with devastating distortion.

Price $7.99
Author Eventide
Type Effect
Effect type Reverb, Delay, Echo, Distortion, Drive etc.
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.52941 (17), current: 4.52941 (17)
Released 11/27/2019
Updated 03/06/2024

DigiStix Drummer is an AUv3 compatible drum machine / sampler plugin. The program has a host of features which allow you to sample your own drumkits and trigger them either using a host application via MIDI or using the inbuilt pattern and song editor which automatically syncs tempo with your DAW.

Price $7.99
Author 4Pockets.com
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Audio Unit (AU)
Rating total: 4.4516 (62), current: 4.4516 (62)
Released 09/14/2019
Updated 12/13/2025

UltraTap is a unique multi-tap effect capable of rhythmic delays, glitchy reverbs, huge pad-like volume swells and extraordinary modulation.

Price $7.99
Author Eventide
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.84999 (20), current: 4.84999 (20)
Released 08/17/2019
Updated 03/06/2024

Visual Reverb is a plate reverb with multi-band EQ and the ability to analyse audio in real time giving a spectrum representation of your signal flow.

Price $7.99
Author 4Pockets.com
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 5 (1), current: 5 (1)
Released 07/26/2019
Updated 09/03/2025

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: 4.84375 (128), current: 4.84375 (128)
Released 06/13/2019
Updated 11/20/2023

An architecturally unique and sonically characterful looping toolkit for producers and live performers, inspired by both modern looper pedals and vintage tape-based setups, Enso combines elegant and intuitive UI design with a deep but accessible feature set and stellar sound quality.

Price $7.99
Author Audio Damage, Inc.
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Audio Unit (AU)
Rating total: 4.52381 (21), current: 4.52381 (21)
Released 03/14/2019
Updated 04/19/2025

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
Author 4Pockets.com
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects
Supports Audio Unit (AU)
Rating total: 4.22581 (31), current: 4.22581 (31)
Released 02/15/2019
Updated 08/29/2025

This is a very simple yet powerful iOS app that performs as a polyphonic audio synthesizer.

Price $7.99
Author Brad Howes
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)
Rating total: 4.35252 (139), current: 4.35252 (139)
Released 02/19/2019
Updated 06/16/2026

This is a AUv3 compatible overdrive/distortion which can be used as plugin with your favourite DAW such as Cubasis, Meteor, Auria or GarageBand. It supports a modern graphical interface and presets with stereo meters for monitoring signal levels.

Price $7.99
Author 4Pockets.com
Type Effect
Effect type Distortion, Drive etc.
Supports Audio Unit (AU)
Rating total: 5 (2), current: 5 (2)
Released 10/08/2018
Updated 09/04/2025

This is an AUv3 compatible stereo Analog Phaser plugin which can be used as a plugin with your favourite DAW such as Cubasis, Auria, Meteor or GarageBand.

Price $7.99
Author 4Pockets.com
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Audio Unit (AU)
Rating total: 5 (1), current: 5 (1)
Released 08/23/2018
Updated 09/02/2025

This is an AUv3 compatible Uni-Vibe style plugin which can be used as a plugin with your favourite DAW such as Cubasis, Auria, Meteor or GarageBand.

Price $7.99
Author 4Pockets.com
Type Effect
Effect type Modulation effects
Supports Audio Unit (AU)
Rating total: 4 (4), current: 4 (4)
Released 08/23/2018
Updated 09/02/2025

This is an AUv3 compatible stereo Analog Flanger plugin which can be used as a plugin with your favourite DAW such as Cubasis, Auria, Meteor or GarageBand.

Price $7.99
Author 4Pockets.com
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Audio Unit (AU)
Rating total: 5 (3), current: 5 (3)
Released 08/23/2018
Updated 09/03/2025

Brusfri* is a highly advanced audio noise reducer, packed into a simple and straight-forward interface.

Price $15.99 $7.99
Author Klevgränd produkter AB
Type Effect
Effect type Compressor, Limiter, Gate, Guitar effects, Other
Supports Audiobus, Audio Unit (AU)
Rating total: 4.0125 (80), current: 4.0125 (80)
Released 10/11/2017
Updated 04/29/2021

Oriental Strings is a professional sound module app for oriental keyboard players and for musicians who simply want to resemble the typical sound of the Middle East in their songs.

Price $7.99
Author Christian Schoenebeck d/b/a Crudebyte
Type Instrument
Instrument type Sampler
Instrument sounds Strings
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.18182 (11), current: 4.18182 (11)
Released 12/17/2014
Updated 01/19/2026

bs-16i is a 16 multi-timbral playback sampler. It supports SoundFont and DLS (Downloadable Sounds, and can be used for keyboard instrument, MIDI sound module, and MIDI player.

Price $7.99
Author bismark LLC
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.89076 (119), current: 3.89076 (119)
Released 09/01/2010
Updated 06/17/2026

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 $12.99 $7.99
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

apeFilter is a sophisticated Equaliser, the DSP is based on the Biquad/Cascade filters, very fast!

Price $7.99
Author apeSoft
Type Effect
Effect type Equalizer, Filter
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.84848 (33), current: 4.84848 (33)
Released 09/30/2014
Updated 07/22/2025