Audio Unit (AU) Reverb, Delay, Echo Apps (80)

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Audio Unit (AU) technology enabled Reverb, Delay, Echo effect app list for iOS

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 $4.99 $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 09/18/2023

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 $4.99 $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 09/18/2023

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 $15.95 $6.39
Author Klevgränd produkter AB
Type Effect
Effect type Reverb, Delay, Echo, Modulation effects
Supports Audio Unit (AU)
Rating total: 4.9 (20), current: 4.9 (20)
Released 06/18/2019
Updated 02/25/2021

Kleverb is an algorithmic reverb effect.

Price $19.99 $7.99
Author Klevgränd produkter AB
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.76923 (13), current: 4.76923 (13)
Released 10/31/2018
Updated 09/17/2021

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

Price $5.99 $2.99
Author Harry Gohs
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4.21053 (19), current: 4.21053 (19)
Released 08/05/2013
Updated 06/04/2021

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 $6.99 $2.99
Author Harry Gohs
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.4 (10), current: 4.4 (10)
Released 11/21/2019
Updated 10/27/2020

The WU (Wrapped Units) Series algorithmic reverb exposes the user interface of the systems Audio Unit and makes it available to all host applications that support AUv3 audio processing plugins.

Price $1.99
Author Jens Guell
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 5 (1), current: 5 (1)
Released 09/12/2020
Updated 03/12/2024

The WU (Wrapped Units) Series sample delay exposes the user interface of the systems Audio Unit and makes it available to all host applications that support AUv3 audio processing plugins. Even if those hosts do not support it directly.

Price Free
Author Jens Guell
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.42856 (7), current: 4.42856 (7)
Released 09/12/2020
Updated 03/12/2024

The WU (Wrapped Units) Series algorithmic reverb exposes the user interface of the systems Audio Unit and makes it available to all host applications that support AUv3 audio processing plugins. Even if those hosts do not support it directly.

Price $1.99
Author Jens Guell
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 5 (2), current: 5 (2)
Released 09/10/2020
Updated 03/12/2024

The WU (Wrapped Units) Series algorithmic reverb exposes the user interface of the systems Audio Unit and makes it available to all host applications that support AUv3 audio processing plugins.

Price $1.99
Author Jens Guell
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 5 (2), current: 5 (2)
Released 09/09/2020
Updated 03/12/2024

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 $6.99
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: 4.85185 (27), current: 4.85185 (27)
Released 09/09/2020
Updated 06/22/2023

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

Price $6.99
Author iceWorks, Inc.
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 5 (16), current: 5 (16)
Released 08/29/2021
Updated 06/22/2023

Create out of this world ambiance with Blackhole, a reverb effect as big as the cosmos.

Price $19.99
Author Eventide
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.59615 (52), current: 4.59615 (52)
Released 08/08/2019
Updated 03/06/2024

UltraTap is a unique multi-tap effect capable of rhythmic delays, glitchy reverbs, huge pad-like volume swells and extraordinary modulation.

Price $14.99
Author Eventide
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.82353 (17), current: 4.82353 (17)
Released 08/17/2019
Updated 03/06/2024

Spring Reverb models the sound and character of popular spring reverbs found in guitar amplifiers, popularized by Surf, Garage and Rockabilly music.

Price $14.99
Author Eventide
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 3.92308 (13), current: 3.92308 (13)
Released 01/15/2020
Updated 03/06/2024

MangledVerb is a unique effect combining a rich reverb with devastating distortion.

Price $14.99
Author Eventide
Type Effect
Effect type Reverb, Delay, Echo, Distortion, Drive etc.
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.52941 (17), current: 4.52941 (17)
Released 11/27/2019
Updated 03/06/2024

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 $17.99
Author Jens Guell
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.5 (4), current: 4.5 (4)
Released 01/10/2020
Updated 03/03/2024

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

Price Free
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: 4.4421 (95), current: 4.4421 (95)
Released 06/20/2018
Updated 02/27/2024

The Cali Reverb Modern High Gain Amplifier is the best emulation of another rock icon guitar amplifier that has defined the tone of heavy music for the last 25 years!

Price $9.99
Author Nembrini Audio
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.71429 (14), current: 4.71429 (14)
Released 04/30/2020
Updated 09/27/2021

Analog Rack Reverb two plugins in one, Stereo Hall and Stereo Room reverb algorithms ideal for every source!

Price $2.99
Author Nembrini Audio
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.66667 (9), current: 4.66667 (9)
Released 02/07/2020
Updated 09/27/2021
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Did you know?

Audio Units (AU) is an audio plug-in technology built in Apple's macOS and iOS operating systems. Initially developed for desktop operating systems along with VST (Virtual Studio Technology by Steinberg GmbH), it available now for iOS too. AU apps (plug-ins) can modify sound pitch, sample rate and stream over network, produce signal.