Audio Unit (AU) Reverb, Delay, Echo Apps (75)

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

Play or save the files with added reverb. Use play through mode or Audiobus for realtime reverberation.

Price Free
Author Markus Sigg
Type Effect
Effect type Reverb, Delay, Echo
Supports Audiobus, Audio Unit (AU)
Rating total: 4.84999 (20), current: 4.84999 (20)
Released 04/26/2013
Updated 01/15/2021

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: 4.87097 (31), current: 4.87097 (31)
Released 08/13/2019
Updated 01/08/2021

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

Price $6.99
Author VirSyn
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)
Rating total: 4 (13), current: 4 (13)
Released 08/05/2013
Updated 08/04/2020

High quality real time reverb AudioUnit effect, for everything between small rooms, resonators, and infinitely large spaces.

Price $4.99
Author Kymatica AB
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 5 (6), current: 5 (6)
Released 12/08/2020
Updated 12/15/2020

Kosmonaut is Multitap Delay with a twist. In addition to adding echoes to your audio, it packs a bunch of extra tools to put your music in space.

Price $3.99
Author Bram Bos
Type Effect
Effect type Reverb, Delay, Echo, Stereo, Pan effects, Other
Supports Audio Unit (AU)
Rating total: 4.79244 (53), current: 4.79244 (53)
Released 03/06/2018
Updated 12/23/2020

STRATOSPHERE CLOUD REVERB is an audio unit plugin effect inspired by the Cloud Reverb patch in a very well-loved modern classic reverb pedal.

Price $5.99
Author Mani Consulting Limited Company
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 4.88889 (9), current: 4.88889 (9)
Released 06/23/2020
Updated 12/22/2020

FAC Alteza is a true stereo reverberator plugin.

Price $8.99
Author Frederic Corvest
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 5 (35), current: 5 (35)
Released 02/16/2020
Updated 12/22/2020

BLEASS delay transforms your sounds into cinematic and experimental sonic experiences! It is constantly creating flux in the audio signal making your music even more lively.
BLEASS delay is also ideal for making track build-ups and transitions.

Price $4.99
Author BLEASS
Type Effect
Effect type Reverb, Delay, Echo
Supports Audiobus, Audio Unit (AU)
Rating total: 4.65385 (26), current: 4.65385 (26)
Released 02/21/2019
Updated 09/18/2020

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

Price $3.99
Author Nembrini Audio
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (5), current: 5 (5)
Released 02/07/2020
Updated 03/02/2020

Modeled on the Roland SDE-3000 rack delay unit, the new DELAY3000 Vintage Modern Repeater plugin adds new features and an easy to use user interface that gives you a complete arsenal of delay effects at your disposal!

Price $9.99
Author Nembrini Audio
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 5 (10), current: 5 (10)
Released 04/01/2020
Updated 04/12/2020

The BLEASS reverb is a reverb plugin.

Price $4.99
Author BLEASS
Type Effect
Effect type Reverb, Delay, Echo
Supports Audiobus, Audio Unit (AU)
Rating total: 4.71429 (14), current: 4.71429 (14)
Released 04/10/2019
Updated 07/05/2019

BLEASS Shimmer is an AUv3 compatible Shimmer Reverb Effect that brings harmonic tails to any sound or instrument with very low CPU usage.

Price $7.99
Author BLEASS
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects
Supports Audiobus, Audio Unit (AU)
Rating total: 4.92856 (14), current: 4.92856 (14)
Released 06/17/2020
Updated 06/17/2020

IMPULSation is an impulse response/convolution reverb that allows you to load in your own impulses for an an unlimited amount of neverb and amp possibilities.

Price $12.99
Author MIDIculous LLC
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)
Rating total: 3.75 (8), current: 3.75 (8)
Released 12/19/2019
Updated 07/28/2020

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 $19.99
Author Nembrini Audio
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)
Rating total: 4.66667 (12), current: 4.66667 (12)
Released 04/30/2020
Updated 05/06/2020

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
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.6265 (83), current: 4.6265 (83)
Released 08/23/2018
Updated 09/22/2020

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

Price $9.99
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: 4.81818 (22), current: 4.81818 (22)
Released 11/07/2019
Updated 09/24/2020

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
Author Kai Aras
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 3.78571 (14), current: 3.78571 (14)
Released 03/22/2016
Updated 10/05/2020

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: 4.44444 (9), current: 4.44444 (9)
Released 10/13/2016
Updated 10/05/2020

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 $9.99
Author VirSyn
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link
Rating total: 4.25 (8), current: 4.25 (8)
Released 11/21/2019
Updated 10/27/2020

This shimmer effect is a combination of effects that creates an etherial wall of sound. The effect combines a digital delay and pitch shifter to create multiple harmonies before entering a rich long reverb with controllable filtering. The resulting effect is a monsterously huge sound adding a spacious atmospheric quality to any lead instrument or vocal.

Price $5.99
Author 4Pockets.com
Type Effect
Effect type Reverb, Delay, Echo, Pitch effects
Supports Audio Unit (AU)
Rating total: 4.25926 (27), current: 4.25926 (27)
Released 02/15/2019
Updated 10/24/2020
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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.