iOS Musician Apps (177) Supported Technologies is Inter-App Audio (IAA), Type is Effect

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iDensity is a new real-time software designed for asynchronous sound file granulation, a genuine granular playground able to generate a wide range of effects.

Price $9.99 $5.99
Author apeSoft
Type Effect
Effect type All-in-one, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.91303 (46), current: 4.91303 (46)
Released 09/16/2011
Updated 07/25/2025

apeDelay - spectral Delay implements up to 2048 delay lines with feedback or up to 2048 Brick-wall filters.

Price $6.99 $3.99
Author apeSoft
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.58824 (17), current: 4.58824 (17)
Released 06/20/2015
Updated 07/22/2025

Sonic texture generator / blur / non-linear reverb

Price $7.99 $4.99
Author Yuri Turov
Type Effect
Effect type Reverb, Delay, Echo, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.84443 (45), current: 4.84443 (45)
Released 10/16/2020
Updated 05/12/2021

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

Price $6.99 $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

Matrix Vocoder transforms your voice into an electronic instrument.

Price $9.99 $3.99
Author Harry Gohs
Type Effect
Effect type Vocoder
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.38889 (18), current: 4.38889 (18)
Released 09/26/2019
Updated 05/22/2025

Back in the “old days”, producers and engineers created delay and echo effects using tape machines. Tap Delay combines the warm sound of vintage tape echo machines with a modern, step sequencer-like tapped delay engine which continues the tradition of the tape echo machines into the 21st century.

Price $2.99 $1.99
Author Harry Gohs
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.15385 (13), current: 4.15385 (13)
Released 07/28/2015
Updated 06/13/2022

Instantly following even subtle modulations of pitch and spectral changes of your voice VoxSyn Pro creates signature vocal sounds far beyond traditional vocoding.

Price $2.99 $1.99
Author Harry Gohs
Type Effect
Effect type Vocoder
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.42857 (14), current: 3.42857 (14)
Released 12/10/2019
Updated 10/22/2020

BandShift is a realtimemulti-band auditory filter and frequency shifter.

Price $9.99 $3.99
Author Harry Gohs
Type Effect
Effect type Pitch effects
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.5 (4), current: 3.5 (4)
Released 03/23/2017
Updated 08/12/2017

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

Price $3.99 $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

Studio quality reverb for AUv3 / Audiobus / Inter-app audio and songs from your iTunes music library.

Price $4.99 $2.99
Author Harry Gohs
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.86364 (22), current: 3.86364 (22)
Released 08/05/2013
Updated 06/19/2025

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

Price $9.99 $4.99
Author Harry Gohs
Type Effect, Tool
Effect type Equalizer, Filter, Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.7931 (29), current: 4.7931 (29)
Released 08/03/2017
Updated 09/28/2025

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 $9.99 $4.99
Author Harry Gohs
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.36364 (11), current: 4.36364 (11)
Released 11/21/2019
Updated 06/19/2025

Echo Pitch is a pitch-shifting multi-delay for iPhone.

Price $4.99
Author Avi Bortnick
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.93333 (15), current: 4.93333 (15)
Released 12/06/2016
Updated 11/11/2025

This is a direct 1:1 port of Audio Damage's Eos 2 desktop plug-in, identical in every way to the Eos you know and love.

Price $6.99 $2.99
Author Audio Damage, Inc.
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.375 (16), current: 4.375 (16)
Released 06/27/2017
Updated 05/14/2025

Korvpressor is an adaptive compressor/limiter with an easy-to-use interface.

Price $14.99 $5.99
Author Klevgränd produkter AB
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.5625 (16), current: 4.5625 (16)
Released 06/12/2015
Updated 06/16/2021

This audio effect is an advanced de-esser with an intuitive user interface.

Price $9.99 $2.99
Author Klevgränd produkter AB
Type Effect
Effect type Equalizer, Filter
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 3.5 (16), current: 3.5 (16)
Released 10/11/2015
Updated 10/12/2023

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 $0.99
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

To create Panstation, we started with a loose model of the venerable Drawmer M500's panning engine, then added the counting features from the Audio & Design PanScan (probably the most famous vintage autopanner, and the "secret weapon" of many well-known producers).

Price $3.99 $0.99
Author Audio Damage, Inc.
Type Effect
Effect type Stereo, Pan effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.45455 (11), current: 4.45455 (11)
Released 04/08/2020
Updated 04/08/2020

iFX Rack is an analog modeled virtual effects rack for your iOS Device.

Price $9.99 $4.99
Author MIDIculous LLC
Type Effect
Effect type All-in-one
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 3.8 (10), current: 3.8 (10)
Released 09/03/2019
Updated 03/28/2025

Discord4 is the latest version of our most popular and long-lived product, our Discord stereo pitch shifter. Originally modeled from the H910, Discord has long since become its own effect and a studio standby, and this version includes major additions to further stretch its capabilities.

Price $8.99 $1.99
Author Audio Damage, Inc.
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.68966 (29), current: 4.68966 (29)
Released 02/24/2018
Updated 10/09/2019
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