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

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STARK is a fully fledged amplifier simulator consisting of four modules: Amplifier, Cabinet, Room and effects slots. These modules are processing audio separately, which makes it possible to combine different amplifiers with different cabinets and rooms.

Price $26.99
Author Klevgränd produkter AB
Type Effect
Effect type Guitar effects
Supports Audio Unit (AU)
Rating total: 3.7619 (21), current: 3.7619 (21)
Released 04/02/2019
Updated 06/26/2025

NuRack is an AUv3 based multi-channel audio effects processor with a difference, it actually allows you to design your own custom effects using the building blocks provided.

Price $12.99
Author 4Pockets.com
Type Effect
Effect type All-in-one
Supports Audio Unit (AU)
Rating total: 4.71429 (42), current: 4.71429 (42)
Released 06/26/2020
Updated 04/29/2026

This is an AUv3 compatible Uni-Vibe style plugin which can be used as a plugin with your favourite DAW such as Cubasis, Auria, Meteor or GarageBand.

Price $7.99
Author 4Pockets.com
Type Effect
Effect type Modulation effects
Supports Audio Unit (AU)
Rating total: 4 (4), current: 4 (4)
Released 08/23/2018
Updated 09/02/2025

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

TfxMod is a chorus / flanger effect AudioUnit Extension plugin. It uses delay lines which are inspired by BBD (bucket brigade device).

Price $1.99
Author Ryo Togawa
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Audio Unit (AU)
Rating total: 4.83333 (6), current: 4.83333 (6)
Released 07/25/2020
Updated 01/15/2026

TfxEcho is an echo effect AudioUnit Extension plugin. It uses delay lines which are inspired by BBD (bucket brigade device). BBD is used in various analog delay unit and is known for its warm and dark sound.

Price $1.99
Author Ryo Togawa
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.66667 (12), current: 4.66667 (12)
Released 07/16/2020
Updated 01/15/2026

TfxReverb is designed for simple and easy operation. When auto size mode is enabled, number of parameters can be controlled by a single dial to adjust size of the reverb sound, which can be synced to tempo.

Price $1.99
Author Ryo Togawa
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.5 (8), current: 4.5 (8)
Released 08/31/2020
Updated 01/15/2026

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

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

Convolution is a highly complex signal processing approach, that needs some certain computation power. The recorded impulse response of a real world environment is used to render a reverberation effect onto any audio material, so that it sounds like the source was played in that original room or at that location.

Price $24.99
Author Jens Guell
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.59999 (5), current: 4.59999 (5)
Released 01/10/2020
Updated 03/03/2024

The JAF Collection is an exciting set of digital modeled classic analog synthesizer filters (VCFs) for iOS.

Price $29.99
Author Jens Guell
Type Effect
Effect type Equalizer, Filter
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.9 (20), current: 4.9 (20)
Released 07/24/2019
Updated 02/20/2023

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

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

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

SGA Phoenix brings the authentic sound of five analog preamps to your AUv3 compatible host. Each preamp derives its unique sonic character from a different active element (12AX7, 12AT7, and 12AU7 triodes, and J201 and 2N5457 JFET transistors).

Price $24.99
Author Shattered Glass Audio
Type Effect
Effect type Guitar effects, Bass effects, Other
Supports Audio Unit (AU)
Rating total: 5 (4), current: 5 (4)
Released 06/10/2021
Updated 11/18/2025

DAW Cassette is an Audio Unit effect that emulates the sound of a classical tape deck.

Price $13.99
Author Klevgränd produkter AB
Type Effect
Effect type Other
Supports Audiobus, Audio Unit (AU)
Rating total: 4.53846 (26), current: 4.53846 (26)
Released 04/27/2018
Updated 06/02/2021

Modley is a modulation delay with effect insert capabilities, which lets you design the whole delay signal with several carefully selected effect modules, to create customized signal flows and unique sounds.

Price $16.99
Author Klevgränd produkter AB
Type Effect
Effect type Reverb, Delay, Echo, Modulation effects
Supports Audio Unit (AU)
Rating total: 4.90909 (22), current: 4.90909 (22)
Released 06/18/2019
Updated 02/25/2021

SideBand Remix is an AUv3 plugin for final mixing and mastering. It separates the phantom center from sideband (L/R) content which is what give a stereo track its width, and lets you remix it.

Price $9.99
Author 4Pockets.com
Type Effect
Effect type Equalizer, Filter, Other
Supports Audio Unit (AU)
Rating total: 4.66667 (6), current: 4.66667 (6)
Released 07/19/2021
Updated 12/13/2025

BLEASS Flanger is a flanging effect offering a wide range of synchronised modulations which colours sound in a novel and unique way thanks to its complex algorithmic combinations.

Price $6.99
Author BLEASS
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Audiobus, Audio Unit (AU)
Rating total: 5 (13), current: 5 (13)
Released 08/25/2020
Updated 09/12/2025
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