These instruments are NOT sample libraries. Unlike sampling, which uses recordings to replicate the sound of an instrument, physical modeling doesn’t generate a sound as such but creates the conditions for the system to create it according to an external input (like someone playing on a keyboard).
| Price | $29.99 |
|---|---|
| Author | Audio Modeling |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Bass |
| Supports | Audio Unit (AU) |
| Rating | total: (10), current: (10) |
| Released | 04/30/2021 |
| Updated | 05/14/2026 |
Now available as an Audio Unit extension (AUv3) allowing it to act as a powerful MIDI sequencer and clip launcher.
| Price | Free |
|---|---|
| Author | Imaginando Lda |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (689), current: (689) |
| Released | 03/04/2015 |
| Updated | 05/20/2026 |
Rotary is a rotating cabinet effect that simulates a Leslie speaker. It produces a pulse-like vibrato effect depending on the speed of rotation.
| Price | $7.99 $3.99 |
|---|---|
| Author | Eventide |
| Type | Effect |
| Effect type | Modulation effects |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (23), current: (23) |
| Released | 10/09/2019 |
| Updated | 03/06/2024 |
DigiKeys is an AUv3 compatible MIDI sequencer plugin for AUM or other AUv3 compatible host applications.
| Price | $9.99 $6.99 |
|---|---|
| Author | 4Pockets.com |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (19), current: (19) |
| Released | 02/11/2020 |
| Updated | 09/03/2025 |
GlitchCore is an Audio Unit (AUv3) effect for re-sequencing live audio. It can rearrange audio that it processes. GlitchCore lets you glitch audio by making micro loops and scrubbing your sound.
| Price | $4.99 |
|---|---|
| Author | Alex Matheu |
| Type | Effect |
| Effect type | Other |
| Supports | Audio Unit (AU) |
| Rating | total: (40), current: (40) |
| Released | 03/25/2020 |
| Updated | 12/31/2020 |
A 3-in-1 zero latency virtual guitar pedal covering creamy BBD analog delay, lush saturation plate reverb and Class A and Class A/B saturation.
| Price | $19.99 |
|---|---|
| Author | PULSAR NOVATION BILGISAYAR PROGRAMCILIK HIZMETLERI TICARET LIMITED SIRKETI |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Audio Unit (AU) |
| Rating | total: (46), current: (46) |
| Released | 07/02/2021 |
| Updated | 12/16/2025 |
The ERS 250 reverb audio plugin was originally designed and sold by Harrie Munnik and his Dutch company EmptyRoomSystems.
| Price | $13.99 |
|---|---|
| Author | Christian Siedschlag |
| Type | Effect |
| Effect type | Reverb, Delay, Echo |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (6), current: (6) |
| Released | 09/03/2021 |
| Updated | 01/03/2026 |
Mrh159 Brown Sound Guitar Amplifier plugin modeled on a vintage Marshall Super Lead 1959* 100W which is arguably the most famous amp of all time.
| Price | $19.99 |
|---|---|
| Author | Nembrini Audio |
| Effect type | Distortion, Drive etc., Guitar effects |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (9), current: (9) |
| Released | 06/12/2021 |
| Updated | 09/27/2021 |
These instruments are NOT sample libraries. Unlike sampling, which uses recordings to replicate the sound of an instrument, physical modeling doesn’t generate a sound as such but creates the conditions for the system to create it according to an external input (like someone playing on a keyboard).
| Price | $29.99 |
|---|---|
| Author | Audio Modeling |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Strings |
| Supports | Audio Unit (AU) |
| Rating | total: (6), current: (6) |
| Released | 04/30/2021 |
| Updated | 05/14/2026 |
Knorr is a plugin that adds intensity and edge to a monophonic low frequency audio source (like a bass). The algorithm adds overtones to an existing sound in a way that isn’t possible with ordinary distortion or filtering.
| Price | $8.99 |
|---|---|
| Author | Klevgränd produkter AB |
| Type | Effect |
| Effect type | Equalizer, Filter, Other |
| Supports | Audio Unit (AU) |
| Rating | total: (6), current: (6) |
| Released | 10/14/2019 |
| Updated | 10/15/2019 |
The WoodStepper is a sequencer having both audio and midi out.
| Price | $10.99 |
|---|---|
| Author | Woodman's Immaculate Maple Syrup Studio |
| Type | Tool |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (12), current: (12) |
| Released | 06/01/2019 |
| Updated | 07/01/2024 |
midiSTEPs is a powerful and fun MIDI step sequencer app that sends MIDI note and CC messages to other music apps and external synthesizers.
| Price | $9.99 |
|---|---|
| Author | Arthur Kerns |
| Type | Host, Tool |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (15), current: (15) |
| Released | 10/10/2015 |
| Updated | 03/14/2021 |
A full-blown 6-Operator FM Synth on iOS, building on the legacy of the classic synthesizers that defined the digital era of the 1980s.
| Price | $3.99 |
|---|---|
| Author | Bram Bos |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Audiobus, Audio Unit (AU) |
| Rating | total: (33), current: (33) |
| Released | 10/20/2016 |
| Updated | 11/29/2018 |
AudioLayer is a full featured open standard audio multi-sampler pushing the boundaries beyond what has been available even in the desktop music production worlds.
| Price | $12.99 |
|---|---|
| Author | Harry Gohs |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | All-in-one |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (174), current: (174) |
| Released | 08/03/2018 |
| Updated | 05/05/2025 |
Specific sound morphing capabilities enables you to easily create complex evolving sound scapes, vocal phrases or stunning rhythms simply by choosing up to four sound sources from a predefined set.
| Price | $5.99 |
|---|---|
| Author | Harry Gohs |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Audiobus, Audio Unit (AU), Ableton Link |
| Rating | total: (17), current: (17) |
| Released | 05/13/2021 |
| Updated | 12/05/2024 |
BitJuggler is an audio plugin to simulate vintage digital processing and to recreate digital imperfections.
| Price | $6.99 |
|---|---|
| Author | ToneBoosters |
| Type | Effect |
| Effect type | Other |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (14), current: (14) |
| Released | 11/07/2020 |
| Updated | 10/05/2025 |
This is a very simple yet powerful iOS app that performs as a polyphonic audio synthesizer.
| Price | $7.99 |
|---|---|
| Author | Brad Howes |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Audio Unit (AU) |
| Rating | total: (139), current: (139) |
| Released | 02/19/2019 |
| Updated | 05/15/2026 |
GeoShred Control is a stand alone MIDI/MPE controller based on GeoShred.
| Price | Free |
|---|---|
| Author | Wizdom Music LLC |
| Type | Controller |
| Supports | Audio Unit (AU) |
| Rating | total: (119), current: (119) |
| Released | 01/25/2018 |
| Updated | 05/20/2026 |