iOS Musician Apps (156) Supported Technologies is Inter-App Audio (IAA), Type is Effect

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The Quinta Pitch Machine is more than your standard octave in that it not only gives you notes an octave up and an octave down, but also gives you a fifth up.

Price $4.99 $3.99
Author Nembrini Audio
Type Effect
Effect type Pitch effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 3.28571 (7), current: 3.28571 (7)
Released 01/31/2021
Updated 09/29/2026

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 $3.99
Author Nembrini Audio
Type Effect
Effect type Distortion, Drive etc.
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (10), current: 5 (10)
Released 04/23/2020
Updated 10/02/2026

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

The Wood'nGate is an audio gate which is both a standalone app supporting IAA (Inter-App Audio) and an AUv3 audio unit plugin.

Price $7.99 $3.99
Author Woodman's Immaculate Maple Syrup Studio
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (6), current: 5 (6)
Released 09/17/2018
Updated 12/18/2024

DLYM is a ‘Delay Modulator’ plugin which produces flanger and chorus style effects using Imaginando’s powerful processing technology.

Price $3.99
Author Imaginando Lda
Type Effect
Effect type Reverb, Delay, Echo, Chorus, Flanger, Phaser etc.
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.44954 (109), current: 4.44954 (109)
Released 06/20/2018
Updated 10/29/2026

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 $3.99
Author Audio Damage, Inc.
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.70967 (31), current: 4.70967 (31)
Released 02/24/2018
Updated 10/27/2026

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

Price $3.99
Author Harry Gohs
Type Effect, Tool
Effect type Equalizer, Filter, Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.83871 (31), current: 4.83871 (31)
Released 08/03/2017
Updated 09/28/2025

Pro quality studio reverb effect.

Price $3.99
Author Thomas Fiedler
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus
Rating total: 2.33333 (3), current: 2.33333 (3)
Released 07/16/2013
Updated 05/23/2018

rrarrow is the experimental noise machine / modular audio effect for the iOS featuring extended feedback capabilities.

Price $3.99
Author Alexey Nadzharov
Type Effect
Effect type Other
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.61111 (18), current: 4.61111 (18)
Released 02/25/2014
Updated 04/20/2026

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

Price $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

Kajita combines two-stage multi-tap stereo delay with reverb, allowing you to create complex spatial effects.

Price $4.00
Author iceWorks, Inc.
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 5 (20), current: 5 (20)
Released 08/29/2021
Updated 09/07/2025

Koshiba is a 16-step gate sequencer plug-in effect that can transform a sustained sound into a rhythmic phrase.

Price $4.00
Author iceWorks, Inc.
Type Effect
Effect type Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.70587 (17), current: 4.70587 (17)
Released 10/26/2020
Updated 09/07/2025

Yukawa is an AUv3 compatible multi-effects plug-in that combines a tempo-synchronized multi-tap sequence delay that produces rhythmic phrases, a modulatable stereo delay, and a DJ mixer-style filter.

Price $4.00
Author iceWorks, Inc.
Type Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.78788 (33), current: 4.78788 (33)
Released 09/09/2020
Updated 09/07/2025

With AnyAmpIR, I don't give you any amp, I give you the ability to play any amp immediately.

Price $4.99
Author 衍 孟
Type Effect
Effect type Guitar effects, Bass effects, Other
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (6), current: 5 (6)
Released 03/22/2023
Updated 03/28/2023

During a routine mining expedition in the outer regions of the galaxy five mysterious boxes of unknown origin were found. Rumours among the workers spread quickly that there was a strange feeling being around these boxes, as if time flows in a different way, not just forward but sometimes also folding back on itself. The miners nicknamed them, the five boxes of reverberation. After the excavation process, to study them more closely, it was decided to transport them back to earth.

Price $4.99
Author Erik Sigth
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.72414 (58), current: 4.72414 (58)
Released 10/02/2021
Updated 06/23/2026

Smoov is a soft, clean and transparent sounding program-dependent AUv3, IAA & standalone compressor.

Price $4.99
Author Caelum Audio
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.875 (8), current: 4.875 (8)
Released 02/12/2021
Updated 11/04/2022

Schlap is a characterful, colourful and aggressive sounding program-dependent AUv3, IAA & standalone compressor.

Price $4.99
Author Caelum Audio
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.94118 (17), current: 4.94118 (17)
Released 12/31/2020
Updated 11/04/2022

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: 4.94444 (18), current: 4.94444 (18)
Released 04/01/2020
Updated 05/30/2026

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

FD-1 is a Semi-Modular Effect Plugin including dedicated Filter, Delay and Modulation sections.

Price $4.99
Author Kai Aras
Type Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo, Modulation effects
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.625 (32), current: 4.625 (32)
Released 11/07/2019
Updated 09/24/2020
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