iOS Musician Apps (169) Supported Technologies is Inter-App Audio (IAA), Type is Effect

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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

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

ToneBoosters Enhancer is an enhancer, exciter and sweetener plug-in.

Price $6.99
Author ToneBoosters
Type Effect
Effect type Other
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.61111 (18), current: 4.61111 (18)
Released 10/26/2019
Updated 05/28/2026

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
Author Audio Damage, Inc.
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.44444 (18), current: 4.44444 (18)
Released 06/27/2017
Updated 03/27/2026

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

Price $6.99
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

VC-1 is a vintage voiced chorus effect capable of delivering many classic chorus sounds but it doesn't stop there.

Price $5.99
Author Kai Aras
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.8 (5), current: 4.8 (5)
Released 09/05/2017
Updated 01/24/2020

RF-1 is an Algorithmic Reverb (AU, AB, IAA, Standalone).

Price $5.99
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.58333 (12), current: 4.58333 (12)
Released 10/13/2016
Updated 10/05/2020

Dedalus Delay is a real time audio mangler. A network of delay lines is continually granulated and modulated, producing a labyrinth of echoes, which are further processed by filters, dynamic processors and saturation modules.

Price $5.99
Author Amazing Noises
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.63415 (41), current: 4.63415 (41)
Released 02/14/2015
Updated 01/28/2026

Dual Digital Delay FX. Two separate (stereo) delay lines allow for a wide range of effects ranging from basic slapback and ping-ping type echos to complex modulations and soundscapes.

Price $5.99
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 3.86667 (15), current: 3.86667 (15)
Released 03/22/2016
Updated 04/14/2022

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

Price $5.00
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 $5.00
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 $5.00
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: 4.78125 (32), current: 4.78125 (32)
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: 4.71929 (57), current: 4.71929 (57)
Released 10/02/2021
Updated 06/17/2024

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

BLEASS Compressor is a tool for iOS musicians offering external sidechain input, input filters and real-time visualization with very low CPU usage.

Price $4.99
Author BLEASS
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.7037 (27), current: 4.7037 (27)
Released 11/10/2020
Updated 06/17/2022

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: 4.94118 (17), current: 4.94118 (17)
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

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
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