iOS Musician Apps (176) Supported Technologies is Inter-App Audio (IAA), Type is Effect

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RE-1 is a full featured virtual Tape Machine capable of delivering authentic tape based echo and chorus effects but it doesn't stop there. With it's interactive tape player, sample, loop and overdub features it's possible to use it like a virtual tape recorder, sample player, looper or simply as a master effect.

Price $9.99 $4.99
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.70543 (129), current: 4.70543 (129)
Released 08/23/2018
Updated 04/29/2024

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

Price $5.99 $2.99
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

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

Price $5.99 $2.99
Author Kai Aras
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.75 (4), current: 4.75 (4)
Released 09/05/2017
Updated 01/24/2020

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

Price $9.99 $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: 4.75 (32), current: 4.75 (32)
Released 11/07/2019
Updated 09/24/2020

RM-1 is a multi purpose audio effect designed around various types of modulation.

Price $9.99 $4.99
Author Kai Aras
Type Effect
Effect type Modulation effects
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.55556 (18), current: 4.55556 (18)
Released 12/15/2018
Updated 08/31/2020

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 $2.99
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

Real time vocal processor + recording app.

Price $24.99
Author IK Multimedia US, LLC
Type Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo, Compressor, Limiter, Gate, Chorus, Flanger, Phaser etc., Modulation effects, Pitch effects, Vocal effects, Other
Supports Inter-App Audio (IAA), Audiobus
Rating total: 2.8 (25), current: 2.8 (25)
Released 11/09/2011
Updated 10/09/2025

VocaLive offers singers and vocalists a suite of real-time professional vocal effects along with a recorder/DAW for studio quality sound (via in-app purchase), a looper for creative vocal experimentation (via in-app purchase), plus the ability to re-mike the input microphone with the Mic Room feature to add the sound and color of coveted studio microphones, all in a portable package (via in-app purchase).

Price $24.99
Author IK Multimedia US, LLC
Type Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo, Compressor, Limiter, Gate, Chorus, Flanger, Phaser etc., Pitch effects, Vocal effects, Other
Supports Inter-App Audio (IAA), Audiobus
Rating total: 2.37143 (35), current: 2.37143 (35)
Released 03/10/2011
Updated 10/09/2025

Real time vocal processor + recording app.

Price Free
Author IK Multimedia US, LLC
Type Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo, Compressor, Limiter, Gate, Chorus, Flanger, Phaser etc., Pitch effects, Vocal effects, Other
Supports Inter-App Audio (IAA), Audiobus
Rating total: 3.47312 (93), current: 3.47312 (93)
Released 03/10/2011
Updated 10/09/2025

ToneBoosters Compressor is an AUv3 plugin for mastering-grade compression and dynamics processing.

Price $8.99
Author ToneBoosters
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.79167 (24), current: 4.79167 (24)
Released 06/23/2020
Updated 10/05/2025

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: 4.35714 (14), current: 4.35714 (14)
Released 11/07/2020
Updated 10/05/2025

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: 4.9375 (16), current: 4.9375 (16)
Released 04/01/2020
Updated 10/05/2025

ToneBoosters Morphit is an AUv3 plugin for headphones correction and simulation and removes any unwanted coloration from your headphones!

Price $8.99
Author ToneBoosters
Type Effect
Effect type Equalizer, Filter, Other
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.63333 (30), current: 4.63333 (30)
Released 11/16/2019
Updated 09/30/2025

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 09/30/2025

ToneBoosters Reverb is a studio-quality reverberation plug-in.

Price $8.99
Author ToneBoosters
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.78846 (52), current: 4.78846 (52)
Released 08/13/2019
Updated 09/30/2025

ToneBoosters Equalizer is a dynamic equalizer plug-in.

Price $9.99
Author ToneBoosters
Type Effect
Effect type Equalizer, Filter
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.63077 (65), current: 4.63077 (65)
Released 07/30/2019
Updated 09/29/2025

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

Price $9.99
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

ToneBoosters Barricade is a peak limiter and compressor.

Price $8.99
Author ToneBoosters
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.78571 (28), current: 4.78571 (28)
Released 09/17/2019
Updated 09/28/2025

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

Price $14.99
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
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
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