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 |
Envelope is a high class reverb audio unit for use as a standalone app or (preferably) in AUv3 hosts.
| Price | $9.99 |
|---|---|
| Author | Christian Siedschlag |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Audio Unit (AU) |
| Rating | total: (19), current: (19) |
| Released | 06/15/2016 |
| Updated | 01/02/2026 |
Based on Classic American EQ from the late '60s, the EQ550b is a continuation of the EQ that played a major role in the history of music recording, but with an additional filter band and several new frequencies.
| Price | Free |
|---|---|
| Author | RRS, OOO |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Rating | total: (13), current: (13) |
| Released | 04/10/2020 |
| Updated | 01/02/2026 |
The EQ550 faithfully captures the punch, low-frequency transparency, and ultra-tight imaging of iconic American EQs of the late 1960’s.
| Price | Free |
|---|---|
| Author | RRS, OOO |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Rating | total: (11), current: (11) |
| Released | 04/10/2020 |
| Updated | 01/02/2026 |
Hypertron is a new exciting, musical instrument for iOS, which offers the best features of well known samplers, sequencers and drummachines for quick editing and flexible music production.
| Price | Free |
|---|---|
| Author | Hypertron Audio |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Drums, Percussion, Other |
| Supports | Audiobus, Ableton Link |
| Rating | total: (148), current: (148) |
| Released | 07/13/2020 |
| Updated | 01/01/2026 |
Synclavier Go! is an authentic re-creation of the Synclavier® II Digital Synthesizer of 1980.
| Price | $19.99 |
|---|---|
| Author | Synclavier Digital Corporation Ltd |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Audiobus, Ableton Link |
| Rating | total: (52), current: (52) |
| Released | 01/23/2019 |
| Updated | 01/01/2026 |
Wotja X is a new cross-platform interface for the 'Wotja Generative Music System'.
| Price | Free |
|---|---|
| Author | Intermorphic Limited |
| Type | Host, Instrument |
| Instrument type | Sampler, Synth |
| Instrument sounds | Keyboards |
| Effect type | All-in-one |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (197), current: (197) |
| Released | 02/20/2018 |
| Updated | 01/01/2026 |
Soft Pads was created for musicians to eliminate any dead space behind your band by providing an ambient background loop that continuously runs in the background.
| Price | $5.99 $3.99 |
|---|---|
| Author | Forward Sounds, LLC |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Other |
| Supports | Audiobus |
| Rating | total: (41), current: (41) |
| Released | 03/25/2018 |
| Updated | 01/15/2025 |
Pure Acid is a bassline synthesizer and drum machine in one app.
| Price | $7.99 $14.99 |
|---|---|
| Author | Dmitrij Pavlov |
| Type | Instrument |
| Instrument type | Sampler, Synth |
| Instrument sounds | Drums, Percussion, Bass |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (156), current: (156) |
| Released | 11/17/2019 |
| Updated | 03/30/2023 |
iReal Pro offers an easy-to-use tool to help musicians of all levels master their art. It simulates a real-sounding band that can accompany you as you practice.
| Price | $21.99 |
|---|---|
| Author | Technimo LLC |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | All-in-one |
| Supports | Audiobus |
| Rating | total: (10235), current: (10235) |
| Released | 12/02/2008 |
| Updated | 12/30/2025 |
Poison-202 is a professional Vintage Midi Synthesizer.
| Price | $4.99 $9.99 |
|---|---|
| Author | Dmitrij Pavlov |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (280), current: (280) |
| Released | 09/09/2016 |
| Updated | 01/28/2025 |
Groove Rider GR-16 is a professional step-sequenced groove box, inspired by professional hardware drum machines and rhythm boxes.
| Price | $14.99 $7.99 |
|---|---|
| Author | Dmitrij Pavlov |
| Type | Instrument |
| Instrument type | Sampler, Synth |
| Instrument sounds | Drums, Percussion |
| Supports | Inter-App Audio (IAA), Audiobus, Ableton Link |
| Rating | total: (348), current: (348) |
| Released | 12/23/2017 |
| Updated | 10/18/2025 |
DigiStix 2 is an AUv3 compatible drum machine and sampler plugin for your favourite DAW.
| Price | $14.99 $7.99 |
|---|---|
| Author | 4Pockets.com |
| Type | Instrument |
| Instrument sounds | Drums, Percussion |
| Supports | Audio Unit (AU) |
| Rating | total: (47), current: (47) |
| Released | 07/01/2021 |
| Updated | 12/09/2025 |
PolyIvoks Filter developed on the basis of the filter of the legendary Soviet synthesizer from 1980s, and only now the legendary Soviet analog sound became available in stereo mode.
| Price | Free |
|---|---|
| Author | RRS, OOO |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Rating | total: (21), current: (21) |
| Released | 04/13/2020 |
| Updated | 12/29/2025 |
bs-16i is a 16 multi-timbral playback sampler. It supports SoundFont and DLS (Downloadable Sounds, and can be used for keyboard instrument, MIDI sound module, and MIDI player.
| Price | $7.99 |
|---|---|
| Author | bismark LLC |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Other |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
| Rating | total: (107), current: (107) |
| Released | 09/01/2010 |
| Updated | 12/29/2025 |
ToneBoosters Spectrogram shows a real-time spectrogram of the incoming audio signal. The ToneBoosters Spectrogram app captures the microphone input and processes the signals in real time.
| Price | Free |
|---|---|
| Author | ToneBoosters |
| Type | Tool |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (42), current: (42) |
| Released | 09/08/2020 |
| Updated | 12/28/2025 |
The Red Rock Sound Exciter will allow you to improve and enhance sonic quality of signal more naturally than with equalization. Unlike traditional EQ that just turns up the existing harmonics, Exciter generates additional harmonics, therefore there is no boost in the output signal level, this maintains a clear and balanced sound.
| Price | Free |
|---|---|
| Author | RRS, OOO |
| Type | Effect |
| Effect type | Equalizer, Filter, Other |
| Supports | Audio Unit (AU) |
| Rating | total: (21), current: (21) |
| Released | 04/30/2020 |
| Updated | 12/29/2025 |
The EQP-1A based on Classic Program Equalizer from the '60s, original EQ is renowned for its unique ability to boost and cut the same frequencies simultaneously, thereby creating a resonant shelf, the EQP-1A faithfully models the overbuilt transformers and complex tube amplifiers of the original hardware.
| Price | Free |
|---|---|
| Author | RRS, OOO |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Rating | total: (15), current: (15) |
| Released | 09/08/2021 |
| Updated | 12/29/2025 |
The MEQ-5 based on Classic Mid-Range Equalizer from the '70s, with two bands of midrange boost and one band of midrange dip, the MEQ-5 gets the very best out of the «power region» where guitars and vocals can make or break a mix.
| Price | Free |
|---|---|
| Author | RRS, OOO |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Audio Unit (AU) |
| Rating | total: (6), current: (6) |
| Released | 09/08/2021 |
| Updated | 12/29/2025 |