Inter-App Audio (IAA) enabled Reverb, Delay, Echo effect app list for iOS
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: (14), current: (14) |
| Released | 04/30/2020 |
| Updated | 09/29/2026 |
Based on creative techniques developed by studio engineers and producers in the early 1980s, Shimmer Delay Ambient Machine combines reverb, pitch shifting, and feedback to create out-of- this-world soundscapes and spaces.
| Price | $6.99 |
|---|---|
| Author | Nembrini Audio |
| Type | Effect |
| Effect type | Reverb, Delay, Echo, Pitch effects |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (4), current: (4) |
| Released | 04/17/2021 |
| Updated | 09/29/2026 |
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 | $7.99 |
|---|---|
| Author | Nembrini Audio |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (18), current: (18) |
| Released | 04/01/2020 |
| Updated | 09/29/2026 |
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 |
| Released | 03/10/2011 |
| Updated | 09/28/2026 |
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 |
| Released | 03/10/2011 |
| Updated | 09/28/2026 |
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 |
| Released | 11/09/2011 |
| Updated | 09/28/2026 |
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: (9), current: (9) |
| Released | 02/07/2020 |
| Updated | 09/25/2026 |
The Analog Rack Delay plugin is the power of Nembrini Audio’s delay algorithms in a simple package! BPM Sync, stereo spread circuit and a very juicy sound!
| Price | Free |
|---|---|
| Author | Nembrini Audio |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (32), current: (32) |
| Released | 02/05/2020 |
| Updated | 09/24/2026 |
apeDelay - spectral Delay implements up to 2048 delay lines with feedback or up to 2048 Brick-wall filters.
| Price | $7.99 |
|---|---|
| Author | apeSoft |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (17), current: (17) |
| Released | 06/20/2015 |
| Updated | 09/22/2026 |
The Amazing Noises Reverb is a Feedback Delay Network (FDN) Reverb Effect, which can create nice reverberated ambiences, from small rooms to huge buildings.
| Price | $4.99 |
|---|---|
| Author | Amazing Noises |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (14), current: (14) |
| Released | 12/30/2014 |
| Updated | 09/21/2026 |
GliderVerb is a “Reverberator with Glissandos” simulating a room gradually changing its shape.
| Price | Free |
|---|---|
| Author | Amazing Noises |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (86), current: (86) |
| Released | 07/25/2014 |
| Updated | 09/21/2026 |
Moebius Lab is a multimorphic sound processor which contains a synth, a varispeed stereo sample player, effects and LFOs that can modulate each parameter.
| Price | $9.99 |
|---|---|
| Author | Amazing Noises |
| Type | Instrument, Effect |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Effect type | Equalizer, Filter, Reverb, Delay, Echo, Compressor, Limiter, Gate, Distortion, Drive etc., Chorus, Flanger, Phaser etc., Modulation effects, Pitch effects |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (50), current: (50) |
| Released | 06/29/2016 |
| Updated | 09/21/2026 |
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: (41), current: (41) |
| Released | 02/14/2015 |
| Updated | 09/21/2026 |
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: (32), current: (32) |
| Released | 11/07/2019 |
| Updated | 09/24/2020 |
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: (132), current: (132) |
| Released | 08/23/2018 |
| Updated | 06/28/2026 |
DLYM is a ‘Delay Modulator’ plugin which produces flanger and chorus style effects using Imaginando’s powerful processing technology.
| Price | $3.99 |
|---|---|
| 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: (109), current: (109) |
| Released | 06/20/2018 |
| Updated | 07/27/2026 |
ADverb2 is an accurate model of a vintage digital plate reverb rack unit from the 80s, with a few modern tricks up its sleeve.
| Price | $4.99 |
|---|---|
| Author | Audio Damage, Inc. |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (19), current: (19) |
| Released | 04/30/2018 |
| Updated | 07/30/2026 |
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 | $4.00 |
|---|---|
| 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: (33), current: (33) |
| 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 | $4.00 |
|---|---|
| Author | iceWorks, Inc. |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (20), current: (20) |
| Released | 08/29/2021 |
| Updated | 09/07/2025 |
Inter-App Audio (IAA) is a technology by Apple Inc, allows audio connection feature between apps. To use this feature, you need to have at least two IAA compatible applications installed on your iOS (iPhone, iPad etc.) device, first acts as a host and receives audio stream, and second acts as a node (or instrument) and publishes an output. Also, IAA node can transform audio or MIDI signal sent by host app, and return it in a modified form.