iOS Musician Apps (288) Supported Technologies is Audio Unit (AU), Type is Effect

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WOOTT uses a triple band dynamics algorithm with simultaneous downwards AND upwards compression, and adds a dedicated limiter to each band.

Price $4.99
Author Bram Bos
Type Effect
Effect type Compressor, Limiter, Gate
Supports Audio Unit (AU)
Rating total: 4.87037 (54), current: 4.87037 (54)
Released 06/02/2020
Updated 03/03/2024

The Boss Led Diode Distortion is a recreation of an iconic late 80s British guitar effect pedal, the first “amp in a box” pedal that replicates the tone and distortion character of famous black and gold British guitar amps.

Price $4.99
Author Nembrini Audio
Type Effect
Effect type Distortion, Drive etc.
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (9), current: 5 (9)
Released 04/23/2020
Updated 09/27/2021

Dual VCF adds motion, shape, and colour. It produces evolving rhythmic movement and complex dynamic filter shapes.

Price $4.99
Author ToneBoosters
Type Effect
Effect type Equalizer, Filter
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.94118 (17), current: 4.94118 (17)
Released 04/01/2020
Updated 10/05/2025

GlitchCore is an Audio Unit (AUv3) effect for re-sequencing live audio. It can rearrange audio that it processes. GlitchCore lets you glitch audio by making micro loops and scrubbing your sound.  

Price $4.99
Author Alex Matheu
Type Effect
Effect type Other
Supports Audio Unit (AU)
Rating total: 4.325 (40), current: 4.325 (40)
Released 03/25/2020
Updated 12/31/2020

Bit Maestro is an AUv3 bit crusher that goes beyond regular bit rate reduction, allowing you to affect and manipulate your sound at the individual bit level.

Price $4.99
Author David Blake
Type Effect
Effect type Distortion, Drive etc., Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.76923 (26), current: 4.76923 (26)
Released 02/20/2020
Updated 03/20/2020

Matrix Vocoder transforms your voice into an electronic instrument.

Price $4.99
Author Harry Gohs
Type Effect
Effect type Vocoder
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.21053 (19), current: 4.21053 (19)
Released 09/26/2019
Updated 05/22/2025

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: 3.71429 (14), current: 3.71429 (14)
Released 06/15/2019
Updated 06/25/2021

Stellr is a pitch-shifter/delay/reverb sound processor aimed to recreate the classic shimmer effect.

Price $4.99
Author BACKPULLVER SOFTWARE LTD OOD
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.44444 (9), current: 3.44444 (9)
Released 04/26/2019
Updated 08/14/2022

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

Price $4.99
Author 4Pockets.com
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Released 11/29/2018
Updated 12/14/2025

PhaseThree is a detailed model of the MuTron Bi-Phase, with all the lovely sound of that unit (along with its foibles and quirks.)

Price $4.99
Author Audio Damage, Inc.
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.64286 (14), current: 4.64286 (14)
Released 11/15/2018

Electrogene is a low fidelity audio effect combining bit-crusher, modulation, saturation and filter with scope visualizer.

Price $4.99
Author BACKPULLVER SOFTWARE LTD OOD
Type Effect
Effect type Equalizer, Filter, Distortion, Drive etc., Modulation effects
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.76923 (13), current: 4.76923 (13)
Released 11/05/2018
Updated 02/19/2024

Whole guitar sound with innovative distortion effect, speaker simulation and reverb.

Price $4.99
Author Aleksandar Mlazev
Type Effect
Effect type Reverb, Delay, Echo, Distortion, Drive etc.
Supports Audio Unit (AU)
Released 06/07/2018
Updated 12/23/2024

ADverb2 is an accurate model of a vintage digital plate reverb rack unit from the 80s, with a few modern tricks up its sleeve.

Price $4.99
Author Audio Damage, Inc.
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.58824 (17), current: 4.58824 (17)
Released 04/30/2018

An audio coloration utility plugin featuring individual modes for classic emulation of some iconic music production tools.

Price $4.99
Author MSXII Sound Design
Type Effect
Effect type Equalizer, Filter, Other
Supports Audio Unit (AU)
Rating total: 3.52632 (95), current: 3.52632 (95)
Released 12/01/2017
Updated 12/11/2020

FoldR is a Wave Folding distortion effect app that adds harmonics to the original signal by folding the waveform back on itself when it exceeds a clipping threshold.

Price $4.99
Author Living Memory Software
Type Effect
Effect type Distortion, Drive etc., Other
Supports Audio Unit (AU)
Rating total: 4.55556 (9), current: 4.55556 (9)
Released 11/10/2017
Updated 08/27/2025

This application simulates the acoustics of a room and reproduces the sound signals for the two ears of a virtual listener inside the room.

Price $4.99
Author Fritz Menzer
Type Effect
Effect type Reverb, Delay, Echo, Stereo, Pan effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.18182 (11), current: 4.18182 (11)
Released 10/05/2017
Updated 10/21/2017

Multieffect Audioprocessor. Seven studio quality effect modules for live usage and to enrich your iTunes music library.

Price $4.99
Author Harry Gohs
Type Effect
Effect type All-in-one
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.875 (8), current: 4.875 (8)
Released 12/01/2016
Updated 01/07/2018

Dub Delay emulates an analog tape delay unit with various options to filter and saturate the output signal before it is fed back into the delay unit.

Price $3.99
Author Arno VAN GOCH
Type Effect
Effect type Equalizer, Filter, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 5 (4), current: 5 (4)
Released 05/04/2023
Updated 05/22/2023

It's vintage and It's very warm. All the sounds come from impulse responses grappled on the web.

Price $3.99
Author Julien Faure
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.5 (8), current: 4.5 (8)
Released 02/01/2021
Updated 11/24/2021

Koala FX is the creative effects unit. It offers 16 one-touch effects that you can play intuitively like an instrument, allowing you to morph and twist your track.

Price $3.99
Author Mazbox Limited
Type Effect
Effect type All-in-one, Other
Supports Audio Unit (AU)
Rating total: 4.57534 (73), current: 4.57534 (73)
Released 08/03/2020
Updated 05/31/2023