Polythemus AUv3 Midi was created for five main uses: сreating a polyphonic synth from individual monophonic synths, stacking different or similar synths that play alternatively for variation, interesting variations in timbre & rhythms by having multiple synths driven with a sequencer (e.g. Quantum) or arpeggiator, work outside IOS on hardware synths, voice allocation of externally hosted software vst(e.g. Logic or Ableton Live) using mac osx IDAM for direct device to mac midi.
| Price | $3.99 |
|---|---|
| Author | anthony saunders |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (7), current: (7) |
| Released | 03/05/2019 |
| Updated | 03/30/2019 |
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: (43), current: (43) |
| Released | 09/08/2020 |
| Updated | 12/28/2025 |
A streaming sound palette for experimental musicians, sound designers and artists. Includes over 40 preset randomized Internet audio streams.
| Price | $2.99 |
|---|---|
| Author | Casey I.T. LLC |
| Type | Tool |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
| Rating | total: (17), current: (17) |
| Released | 06/08/2018 |
| Updated | 01/18/2024 |
SynthJacker is an autosampler for iOS. It automatically plays back a MIDI sequence with the notes and velocities you specify, and records the results into an audio file. It then slices the audio into individual sample files, ready to import into an iOS sampler app of your choice.
| Price | $8.99 |
|---|---|
| Author | Conifer Productions Oy |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (22), current: (22) |
| Released | 01/12/2019 |
| Updated | 06/28/2022 |
TKFX is a Traktor controller for iOS devices
| Price | Free |
|---|---|
| Author | Imaginando Lda |
| Type | Tool |
| Rating | total: (42), current: (42) |
| Released | 09/14/2014 |
| Updated | 02/10/2024 |
AUVideoPlayer is a video player that works as an Audio Unit v3 plugin (AUv3) in your favorite DAW host apps such as AUM, Garageband, Cubasis or Audiobus.
| Price | $5.99 |
|---|---|
| Author | Hiroshi Kajihata |
| Type | Tool |
| Supports | Audiobus, Audio Unit (AU) |
| Rating | total: (10), current: (10) |
| Released | 03/03/2021 |
| Updated | 07/22/2023 |
Just add Midiflow Monitor into one or more MIDI effect ports and the app will print what is going through.
| Price | Free |
|---|---|
| Author | Johannes Doerr |
| Type | Tool |
| Supports | Audiobus |
| Rating | total: (8), current: (8) |
| Released | 04/03/2017 |
| Updated | 05/07/2024 |
Talanome is a full-featured, intuitive, easy to use Metronome app.
| Price | $9.99 |
|---|---|
| Author | Upbeat Labs |
| Type | Tool |
| Supports | Inter-App Audio (IAA) |
| Rating | total: (113), current: (113) |
| Released | 02/22/2011 |
| Updated | 01/08/2025 |
Tone generator with two Oscillators and one Noise generator, each with individual lowpass filters.
| Price | Free |
|---|---|
| Author | Kymatica AB |
| Type | Instrument, Tool |
| Instrument type | Synth |
| Instrument sounds | Other |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (58), current: (58) |
| Released | 05/02/2013 |
| Updated | 03/20/2018 |
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 |
Been saving up for that Hang, but don't have quite enough yet? You can get busy on our version of the infamous steel instrument.
| Price | $0.99 |
|---|---|
| Author | Avacata |
| Type | Instrument, Tool |
| Instrument type | Synth |
| Instrument sounds | Drums, Percussion, Other |
| Supports | Audiobus |
| Rating | total: (37), current: (37) |
| Released | 05/07/2009 |
| Updated | 06/24/2015 |
DigiKeys is an AUv3 compatible MIDI sequencer plugin for AUM or other AUv3 compatible host applications.
| Price | $9.99 |
|---|---|
| Author | 4Pockets.com |
| Type | Tool |
| Supports | Audio Unit (AU) |
| Rating | total: (19), current: (19) |
| Released | 02/11/2020 |
| Updated | 09/03/2025 |
AutoArp turns your iPhone (or iPod Touch) into a musical instrument that is halfway between a traditional auto-harp zither and an arpeggiated analogue-style synth.
| Price | Free |
|---|---|
| Author | Drew Milloy |
| Type | Instrument, Tool |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (26), current: (26) |
| Released | 01/08/2011 |
| Updated | 03/29/2020 |
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 | 11/22/2025 |
X Drummer is the drum production tool for guitarists, songwriters and mobile musicians.
| Price | $3.99 |
|---|---|
| Author | Positive Grid Inc |
| Type | Instrument, Tool |
| Instrument type | Sampler |
| Instrument sounds | Drums, Percussion |
| Supports | Inter-App Audio (IAA), Audiobus |
| Rating | total: (228), current: (228) |
| Released | 03/01/2017 |
| Updated | 07/12/2023 |
