Audio Unit (AU) technology enabled Equalizer, Filter effect app list for iOS
apeFilter is a sophisticated Equaliser, the DSP is based on the Biquad/Cascade filters, very fast!
| Price | $7.99 $4.99 |
|---|---|
| Author | apeSoft |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (33), current: (33) |
| Released | 09/30/2014 |
| Updated | 07/22/2025 |
DOTEC-AUDIO presents DeeEQ, as a popular "Equalizer" for MacOS, now available for iOS, including AudioUnit V3 support.
| Price | $7.99 $3.99 |
|---|---|
| Author | fmfmsoft Corp. |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Rating | total: (2), current: (2) |
| Released | 08/31/2020 |
| Updated | 11/29/2024 |
DOTEC-AUDIO presents DeePopMax, a big hit“Loudness Maximizer" for MacOS, now available for iOS, including AudioUnit V3 support.
| Price | $7.99 $3.99 |
|---|---|
| Author | fmfmsoft Corp. |
| Type | Effect |
| Effect type | Equalizer, Filter, Compressor, Limiter, Gate, Other |
| Supports | Audio Unit (AU) |
| Rating | total: (2), current: (2) |
| Released | 08/31/2020 |
| Updated | 04/03/2026 |
SideBand Remix is an AUv3 plugin for final mixing and mastering. It separates the phantom center from sideband (L/R) content which is what give a stereo track its width, and lets you remix it.
| Price | $5.99 $9.99 |
|---|---|
| Author | 4Pockets.com |
| Type | Effect |
| Effect type | Equalizer, Filter, Other |
| Supports | Audio Unit (AU) |
| Rating | total: (6), current: (6) |
| Released | 07/19/2021 |
| Updated | 12/13/2025 |
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: (660), current: (660) |
| Released | 06/13/2017 |
| Updated | 07/30/2026 |
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: (25), current: (25) |
| Released | 11/15/2013 |
| Updated | 07/26/2026 |
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: (84), current: (84) |
| Released | 07/16/2013 |
| Updated | 07/26/2026 |
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 |
The MODEL ONE is a selected, fine-tuned general purpose (transistor ladder model) filter with the ability of strong self oscillation. The cutoff slope is approximately 24dB. It can be switched to low pass or high pass processing mode.
| Price | $9.99 |
|---|---|
| Author | Jens Guell |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (15), current: (15) |
| Released | 07/28/2019 |
| Updated | 02/20/2023 |
The JAF Collection is an exciting set of digital modeled classic analog synthesizer filters (VCFs) for iOS.
| Price | $12.99 |
|---|---|
| Author | Jens Guell |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (20), current: (20) |
| Released | 07/24/2019 |
| Updated | 02/20/2023 |
FabFilter Saturn 2 is a high-quality distortion/saturation plug-in with a huge range of distortion models ranging from subtle to screaming vintage amp modelling, multiple frequency bands, hugely flexible modulation system, and a very modern, well-designed user interface.
| Price | $24.99 |
|---|---|
| Author | FabFilter |
| Type | Effect |
| Effect type | Equalizer, Filter, Distortion, Drive etc., Guitar effects |
| Supports | Audio Unit (AU) |
| Rating | total: (33), current: (33) |
| Released | 06/25/2020 |
| Updated | 12/20/2023 |
FabFilter Pro-MB is a multiband dynamics plug-in featuring an optimized workflow: up to six compression/expansion bands can be placed freely anywhere in the spectrum.
| Price | $39.99 |
|---|---|
| Author | FabFilter |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Rating | total: (21), current: (21) |
| Released | 06/21/2019 |
| Updated | 12/20/2023 |
Analog Rack Bass Equalizer 7 bands graphic eq plugin with selected frequency bands for bass guitar.
| Price | $3.99 |
|---|---|
| Author | Nembrini Audio |
| Effect type | Equalizer, Filter, Bass effects |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (5), current: (5) |
| Released | 02/08/2020 |
| Updated | 09/27/2021 |
Analog Rack Guitar Equalizer a 7 bands graphic eq plugin especially tuned for guitar, inspired by the compact Japanese eq pedal.
| Price | $3.99 |
|---|---|
| Author | Nembrini Audio |
| Type | Effect |
| Effect type | Equalizer, Filter, Guitar effects |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (9), current: (9) |
| Released | 02/08/2020 |
| Updated | 09/27/2021 |
Dual VCF adds motion, shape, and colour. It produces evolving rhythmic movement and complex dynamic filter shapes.
| Price | $4.99 |
|---|---|
| Author | ToneBoosters |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (18), current: (18) |
| Released | 04/01/2020 |
| Updated | 05/30/2026 |
ToneBoosters Morphit is an AUv3 plugin for headphones correction and simulation and removes any unwanted coloration from your headphones!
| Price | $8.99 |
|---|---|
| Author | ToneBoosters |
| Type | Effect |
| Effect type | Equalizer, Filter, Other |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (32), current: (32) |
| Released | 11/16/2019 |
| Updated | 05/28/2026 |
ToneBoosters Equalizer is a dynamic equalizer plug-in.
| Price | $9.99 |
|---|---|
| Author | ToneBoosters |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (66), current: (66) |
| Released | 07/30/2019 |
| Updated | 05/28/2026 |
Traditional EQs influence the spectrum of the whole stereo field simultaneously. DirectionalEQ takes this concept one big step further: now you can equalize all directions in the stereo field independently.
| Price | $9.99 |
|---|---|
| Author | Christian Siedschlag |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Rating | total: (14), current: (14) |
| Released | 10/27/2017 |
| Updated | 01/02/2026 |
The 6144 is an Audio Unit equalizer which aims to recreate the legendary sound of the Neve hardware EQs.
| Price | $9.99 |
|---|---|
| Author | Christian Siedschlag |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Rating | total: (34), current: (34) |
| Released | 07/18/2016 |
| Updated | 12/15/2025 |
Eventide Crystals Harmonizer® combines twin reverse pitch shifters with reverse delays and reverb. This iconic H3000 effect can be used to create out-of-this-world climbing and cascading pitched delays or to create unique sounding reverbs. It features two reverse granular delays that can be manipulated by length and pitch.
| Price | $7.99 |
|---|---|
| Author | Eventide |
| Type | Effect |
| Effect type | Equalizer, Filter, Reverb, Delay, Echo, Pitch effects |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (20), current: (20) |
| Released | 06/08/2020 |
| Updated | 03/06/2024 |
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.