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: (32), current: (32) |
| Released | 04/26/2013 |
| Updated | 03/24/2026 |
This app is a music player that can process the following effects in real time: Time stretch (0.5-2.0 double speed), Pitch shift (-1 ~ +1 octave), 10 band equalizer.
| Price | $0.99 |
|---|---|
| Author | Loop-Sessions.LLC. |
| Type | Effect |
| Effect type | Equalizer, Filter, Pitch effects |
| Supports | Audio Unit (AU) |
| Rating | total: (24), current: (24) |
| Released | 11/15/2013 |
| Updated | 03/22/2026 |
If you play a musical instrument or sing a song, this app should be supported by you higher / lower the pitch.
| Price | Free |
|---|---|
| Author | Loop-Sessions.LLC. |
| Type | Effect |
| Effect type | Equalizer, Filter, Pitch effects |
| Supports | Audio Unit (AU) |
| Rating | total: (81), current: (81) |
| Released | 07/16/2013 |
| Updated | 03/22/2026 |
If you play a musical instrument, this app should be supported by you lower the speed and play when you copy of a musical piece.
| Price | Free |
|---|---|
| Author | Loop-Sessions.LLC. |
| Type | Effect |
| Effect type | Pitch effects |
| Supports | Audio Unit (AU) |
| Rating | total: (18), current: (18) |
| Released | 04/26/2013 |
| Updated | 03/22/2026 |
MicSwap is a Microphone Emulator and Recorder app.
| Price | Free |
|---|---|
| Author | Future Moments |
| Type | Effect |
| Effect type | Vocal effects, Other |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (6814), current: (6814) |
| Released | 12/07/2014 |
| Updated | 03/06/2026 |
BLEASS Compressor is a tool for iOS musicians offering external sidechain input, input filters and real-time visualization with very low CPU usage.
| Price | $4.99 |
|---|---|
| Author | BLEASS |
| Type | Effect |
| Effect type | Compressor, Limiter, Gate |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (27), current: (27) |
| Released | 11/10/2020 |
| Updated | 06/17/2022 |
This versatile saturation effect processor comes packed with 40 Factory Presets, from classic stereo Drive to crazy metallic bitcrushed Saturations.
| Price | $6.99 |
|---|---|
| Author | BLEASS |
| Type | Effect |
| Effect type | Other |
| Supports | Audiobus, Audio Unit (AU) |
| Rating | total: (8), current: (8) |
| Released | 11/28/2020 |
| Updated | 09/12/2025 |
A simple but straightforward phaser audio effect to give you that nice retro feel.
| Price | $0.99 |
|---|---|
| Author | Brad Howes |
| Type | Effect |
| Effect type | Chorus, Flanger, Phaser etc. |
| Supports | Audio Unit (AU) |
| Rating | total: (1), current: (1) |
| Released | 03/11/2021 |
| Updated | 02/27/2026 |
A simple but straightforward flange audio effect to give you that nice retro feel.
| Price | $0.99 |
|---|---|
| Author | Brad Howes |
| Type | Effect |
| Effect type | Chorus, Flanger, Phaser etc. |
| Supports | Audio Unit (AU) |
| Rating | total: (1), current: (1) |
| Released | 02/24/2021 |
| Updated | 02/27/2026 |
A simple but fast low-pass filter with control over cutoff frequency and resonance factor.
| Price | $0.99 |
|---|---|
| Author | Brad Howes |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Released | 02/15/2021 |
| Updated | 02/27/2026 |
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: (21), current: (21) |
| Released | 04/02/2019 |
| Updated | 06/26/2025 |
Drum surgeon is a dynamics / transient processor specifically designed for fine tuning your drums.
| Price | $9.99 |
|---|---|
| Author | 4Pockets.com |
| Type | Effect |
| Effect type | Other |
| Supports | Audio Unit (AU) |
| Rating | total: (9), current: (9) |
| Released | 11/20/2020 |
| Updated | 09/03/2025 |
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), current: (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: (26), current: (26) |
| Released | 02/20/2020 |
| Updated | 03/20/2020 |
Import audio and instantly get a mastered version. Immediately hear a boost in volume and overall sweetening of the mix.
| Price | $99.99 |
|---|---|
| Author | Future Moments |
| Type | Effect |
| Effect type | Equalizer, Filter, Compressor, Limiter, Gate, Other |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (657), current: (657) |
| Released | 06/13/2017 |
| Updated | 02/04/2026 |
A brickwall peak limiting app, for the complete control of your audio volume.
| Price | $2.99 |
|---|---|
| Author | Amazing Noises |
| Type | Effect |
| Effect type | Compressor, Limiter, Gate |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (30), current: (30) |
| Released | 12/17/2014 |
| Updated | 01/28/2026 |
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: (6), current: (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: (12), current: (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: (8), current: (8) |
| Released | 08/31/2020 |
| Updated | 01/15/2026 |