Stellr is a pitch-shifter/delay/reverb sound processor aimed to recreate the classic shimmer effect.
| Price | $4.99 |
|---|---|
| Author | BACKPULLVER SOFTWARE LTD OOD |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (9), current: (9) |
| Released | 04/26/2019 |
| Updated | 04/22/2026 |
Ignite the Saturn 5 rocket and communicate between capsule and Houston while your voice is transformed live into a real Apollo astronaut.
| Price | $2.99 |
|---|---|
| Author | Qneo |
| Type | Effect |
| Effect type | Distortion, Drive etc. |
| Supports | Inter-App Audio (IAA) |
| Rating | total: (9), current: (9) |
| Released | 12/14/2012 |
| Updated | 09/24/2020 |
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: (94), current: (94) |
| Released | 03/10/2011 |
| Updated | 10/09/2025 |
BandShift is a realtimemulti-band auditory filter and frequency shifter.
| Price | $3.99 |
|---|---|
| Author | Harry Gohs |
| Type | Effect |
| Effect type | Pitch effects |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (4), current: (4) |
| Released | 03/23/2017 |
| Updated | 08/12/2017 |
iFX Rack is an analog modeled virtual effects rack for your iOS Device.
| Price | $9.99 |
|---|---|
| Author | MIDIculous LLC |
| Type | Effect |
| Effect type | All-in-one |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (10), current: (10) |
| Released | 09/03/2019 |
| Updated | 03/28/2025 |
Studio quality reverb for AUv3 / Audiobus / Inter-app audio and songs from your iTunes music library.
| Price | $1.99 |
|---|---|
| Author | Harry Gohs |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (22), current: (22) |
| Released | 08/05/2013 |
| Updated | 06/19/2025 |
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: (15), current: (15) |
| Released | 03/22/2016 |
| Updated | 04/14/2022 |
Cubasis 2 is a fully featured iOS-based music production system includes sequencer, instruments, effects and more.
| Price | $23.99 |
|---|---|
| Author | Steinberg Media Technologies GmbH |
| Type | Host, Instrument, Effect |
| Instrument type | Sampler, Synth |
| Instrument sounds | All-in-one |
| Effect type | All-in-one |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (239), current: (239) |
| Released | 12/17/2012 |
| Updated | 11/24/2021 |
Spring Reverb models the sound and character of popular spring reverbs found in guitar amplifiers, popularized by Surf, Garage and Rockabilly music.
| Price | $7.99 |
|---|---|
| Author | Eventide |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (13), current: (13) |
| Released | 01/15/2020 |
| Updated | 03/06/2024 |
Mic Room is a microphone modeling app for your iPhone or iPad.
| Price | $14.99 |
|---|---|
| Author | IK Multimedia US, LLC |
| Type | Effect |
| Effect type | Vocal effects, Other |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (8), current: (8) |
| Released | 06/14/2015 |
| Updated | 06/28/2018 |
GarageBand is a DAW by Apple.
| Price | Free |
|---|---|
| Author | Apple |
| Type | Host, Instrument, Effect |
| Instrument type | Sampler, Synth |
| Instrument sounds | All-in-one |
| Effect type | All-in-one |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (115062), current: (115062) |
| Released | 03/10/2011 |
| Updated | 11/03/2025 |
Want to sing as a popstar on AutoPitch, live-pause your voice, talk with a deep robot voice all at once? Voice Synth does all this and more, all based on your own unique voice.
| Price | $8.99 |
|---|---|
| Author | Qneo |
| Type | Effect |
| Effect type | Vocoder, Other |
| Supports | Inter-App Audio (IAA) |
| Rating | total: (333), current: (333) |
| Released | 01/04/2012 |
| Updated | 01/08/2026 |
Back in the “old days”, producers and engineers created delay and echo effects using tape machines. Tap Delay combines the warm sound of vintage tape echo machines with a modern, step sequencer-like tapped delay engine which continues the tradition of the tape echo machines into the 21st century.
| Price | $1.99 |
|---|---|
| Author | Harry Gohs |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (13), current: (13) |
| Released | 07/28/2015 |
| Updated | 06/13/2022 |
Crystalline Mini is a shimmer reverb/delay effect.
| Price | $2.99 |
|---|---|
| Author | Holderness Media |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (5), current: (5) |
| Released | 01/09/2015 |
| Updated | 05/02/2024 |
Matrix Vocoder transforms your voice into an electronic instrument.
| Price | $4.99 |
|---|---|
| Author | Harry Gohs |
| Type | Effect |
| Effect type | Vocoder |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (19), current: (19) |
| Released | 09/26/2019 |
| Updated | 05/22/2025 |
Want to sing as a popstar on AutoPitch, live-pause your voice, talk with a deep robot voice all at once? Voice Synth does all this and more, all based on your own unique voice.
| Price | Free |
|---|---|
| Author | Qneo |
| Type | Effect |
| Effect type | Vocoder, Other |
| Supports | Inter-App Audio (IAA) |
| Rating | total: (3027), current: (3027) |
| Released | 12/14/2013 |
| Updated | 01/08/2026 |
This app is a portable multitrack audio and MIDI recording studio featuring virtual instruments, editing with unlimited undo/redo, mixing, real-time effects, automation and much more!
| Price | $11.99 |
|---|---|
| Author | Davy Wentzler |
| Type | Host, Instrument, Effect |
| Instrument type | Sampler |
| Instrument sounds | All-in-one |
| Effect type | All-in-one |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (165), current: (165) |
| Released | 01/07/2017 |
| Updated | 06/04/2026 |
This audio effect filter is a hybrid between a simple reverb and a very complex delay.
| Price | $9.99 |
|---|---|
| Author | Klevgränd produkter AB |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (13), current: (13) |
| Released | 02/03/2015 |
MicroPitch is a fine-resolution pitch shifter for subtle tone fattening, plus delays for interesting slap back effects.
| Price | $4.99 |
|---|---|
| Author | Eventide |
| Type | Effect |
| Effect type | Pitch effects |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (16), current: (16) |
| Released | 08/17/2019 |
| Updated | 03/06/2024 |
Undulator is Eventide’s classic modulated tremolo effect from the iconic H3000 effects processor.
| Price | $3.99 |
|---|---|
| Author | Eventide |
| Type | Effect |
| Effect type | Modulation effects, Pitch effects |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (11), current: (11) |
| Released | 07/13/2020 |
| Updated | 03/06/2024 |
