iOS Musician Apps (292) Supported Technologies is Audio Unit (AU), Type is Effect

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The multi-band delay BandDelay is a tool for sound design and loop manipulation in realtime. In contrast to common delay processors BandDelay splits the frequency spectrum of the input signal into 27 bands and applies a separate delay unit to each band.

Price $3.99
Author Harry Gohs
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.41667 (12), current: 4.41667 (12)
Released 11/21/2019
Updated 06/19/2025

If you play a musical instrument or sing a song, this app should be supported by you higher / lower the pitch.

Price Free
Author Loop-Sessions.LLC.
Type Effect
Effect type Equalizer, Filter, Pitch effects
Supports Audio Unit (AU)
Rating total: 4.40244 (82), current: 4.40244 (82)
Released 07/16/2013
Updated 03/22/2026

BitJuggler is an audio plugin to simulate vintage digital processing and to recreate digital imperfections.

Price $6.99
Author ToneBoosters
Type Effect
Effect type Other
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.4 (15), current: 4.4 (15)
Released 11/07/2020
Updated 05/30/2026

The ERS 250 reverb audio plugin was originally designed and sold by Harrie Munnik and his Dutch company EmptyRoomSystems.

Price $6.99 $13.99
Author Christian Siedschlag
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.33333 (6), current: 4.33333 (6)
Released 09/03/2021
Updated 01/03/2026

Knorr is a plugin that adds intensity and edge to a monophonic low frequency audio source (like a bass). The algorithm adds overtones to an existing sound in a way that isn’t possible with ordinary distortion or filtering.

Price $8.99
Author Klevgränd produkter AB
Type Effect
Effect type Equalizer, Filter, Other
Supports Audio Unit (AU)
Rating total: 4.33333 (6), current: 4.33333 (6)
Released 10/14/2019
Updated 10/15/2019

A 3-in-1 zero latency virtual guitar pedal covering creamy BBD analog delay, lush saturation plate reverb and Class A and Class A/B saturation.

Price $19.99
Author PULSAR NOVATION BILGISAYAR PROGRAMCILIK HIZMETLERI TICARET LIMITED SIRKETI
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.32609 (46), current: 4.32609 (46)
Released 07/02/2021
Updated 12/16/2025

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

Rotary is a rotating cabinet effect that simulates a Leslie speaker. It produces a pulse-like vibrato effect depending on the speed of rotation.

Price $3.99
Author Eventide
Type Effect
Effect type Modulation effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.30435 (23), current: 4.30435 (23)
Released 10/09/2019
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

The 6144 is an Audio Unit equalizer which aims to recreate the legendary sound of the Neve hardware EQs.

Price $9.99
Author Christian Siedschlag
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4.29412 (34), current: 4.29412 (34)
Released 07/18/2016
Updated 12/15/2025

Undulator is Eventide’s classic modulated tremolo effect from the iconic H3000 effects processor.

Price $3.99
Author Eventide
Type Effect
Effect type Modulation effects, Pitch effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.27273 (11), current: 4.27273 (11)
Released 07/13/2020
Updated 03/06/2024

Up to eight pitch shifted voices are created from vocal input or instruments.

Price $2.99
Author Harry Gohs
Type Effect
Effect type Chorus, Flanger, Phaser etc., Pitch effects
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.27273 (11), current: 4.27273 (11)
Released 06/09/2017
Updated 01/06/2018

Blue Mangoo Parametric Equalizer is an audio unit plugin, with six bands of filter controls.

Price $5.99
Author Blue Mangoo Consulting Company Limited
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4.26316 (19), current: 4.26316 (19)
Released 08/02/2018
Updated 12/11/2020

Xvox is the vocal strip plugin.

Price $39.99
Author Nuro Audio
Type Effect
Effect type Vocal effects, Other
Supports Audio Unit (AU)
Rating total: 4.25 (20), current: 4.25 (20)
Released 02/16/2024
Updated 02/16/2024

JAX Unisonic is a special Audio Unit, able to produce up to 8 additional voices from any audio input.

Price $29.99
Author Jens Guell
Type Effect
Effect type Pitch effects
Supports Audio Unit (AU)
Rating total: 4.25 (8), current: 4.25 (8)
Released 12/23/2019
Updated 03/03/2024

MicroPitch is a fine-resolution pitch shifter for subtle tone fattening, plus delays for interesting slap back effects.

Price $4.99
Author Eventide
Type Effect
Effect type Pitch effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.25 (16), current: 4.25 (16)
Released 08/17/2019
Updated 03/06/2024

LRC7 is a seven-band EQ. It includes low shelf, high shelf, parametric peak/cut, notch, and various Butterworth low-pass and high-pass filters.

Price Free
Author Neon Silicon
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4.24138 (29), current: 4.24138 (29)
Released 04/23/2021
Updated 05/27/2022

ToneStack PRO is a guitar effects processor.

Price $9.99
Author Yonac Inc.
Type Effect
Effect type Guitar effects
Supports Audio Unit (AU)
Rating total: 4.24138 (87), current: 4.24138 (87)
Released 04/26/2021
Updated 05/12/2025

Zero Chorus is a Roland Dimension D style chorus plug-in.

Price Free
Author Blamsoft, Inc.
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Audio Unit (AU)
Rating total: 4.22727 (22), current: 4.22727 (22)
Released 11/13/2015
Updated 04/29/2024

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
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