Version updates

"StepPolyArp Unit" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an Audio Unit MIDI effect plug-in.

New version 4.3.2
Old version 4.3.1
Release Notes • Minor bugs fixed
Author Laurent Colson
Type Instrument, Tool
Supports Audiobus, Audio Unit (AU), Ableton Link

This MIDI app for Audiobus 3 allows you to include music apps, which don't support Audiobus MIDI but only Core MIDI. It creates permanent virtual MIDI ports for input and output.

New version 1.0.4
Old version 1.0.3
Release Notes Update for iOS 14
Author Johannes Doerr
Type Tool
Supports Audiobus

This MIDI effect app for Audiobus 3 is a filter and remapper for note velocities.

New version 1.0.5
Old version 1.0.4
Release Notes Update for iOS 14
Author Johannes Doerr
Supports Audiobus

Pure Acid is a bassline synthesizer and drum machine in one app.

New version 1.5.0
Old version 1.4.3
Release Notes • Audio unit now supports Midi Output! Two Midi Out ports added: Bassline and Drums. Be sure to enable them in standalone's Settings -> Midi -> "Bass Midi Out Channel" and "Drums Midi Out Channel" setting; • minor bugs & some potential memory leaks fixed.
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

PolyPhase is a generative sequencer. Melodies on a Master Track are created on the fly & copied, with phase offsets, to Slave Tracks. This structure, along with the interplay of various probabilities, leads to unique melodies and rhythms.

New version 2.6
Old version 2.5
Release Notes - Bug Fixes
Author Marcos Kohler
Type Host
Supports Inter-App Audio (IAA), Audiobus

Make and share music in seconds. Simply tap to RECORD, PLAY and SHARE with music makers all over the world.

New version 1.0.5
Old version 1.0.4
Release Notes A new update is available, which resolves the issue that caused Skratch to incorrectly register Skoog button presses with iOS 14. Please update to version 1.0.5
Author Playable Tech ltd.
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Inter-App Audio (IAA)

This keyboard for Audiobus 3 allows you to perform music with multiple synth apps at the same time.

New version 1.0.6
Old version 1.0.5
Release Notes Update for iOS 14
Author Johannes Doerr
Type Tool
Supports Audiobus

This MIDI effect app for Audiobus 3 lets you filter out unwanted notes or remap them to a scale.

New version 1.0.6
Old version 1.0.5
Release Notes Update for iOS 14
Author Johannes Doerr
Type Tool
Supports Audiobus

Redshrike is a polyphonic synthesizer that combines a resonator designed to make more complicated sound creation and subtraction synthesis with an FM oscillator that creates violent distortion.

New version 2.6.2
Old version 2.6.1
Release Notes Fixed an issue where there was no sound when using as an AUv3 plugin.
Author iceWorks, Inc.
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link

Expand your musical horizon by playing Arabic, Armenian, Balkan, Greek, Klezmer, Persian & Turkish sounds, scales and rhythms.

New version 4.01
Old version 4.0
Release Notes We squashed some bugs in this version along with: - Added a coupon code for our new Cross-Platform SOLO VST/AU Virtual Instrument! - Fixed an issue saving the plugin state - Updated AUv3 Plugin Compatability to iOS13 - Minor UI Improvements - Fixed some crashes
Author TAQS.IM
Type Instrument
Instrument type Sampler
Instrument sounds Ethnic
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

The music theory reference tool for musicians of all skill levels. Tonality allows you to view and listen to a large database of piano chords and scales and features a chord-recognition tool that can identify chords you play on your instrument.

New version 8.2.2
Old version 8.2.1
Release Notes Just a minor update with usability improvements. If you're enjoying Tonality, please consider writing a review or leaving a tip on the settings page! General: + Categorize all audio units under “Tonality” for easier searching inside a host + Add new chords to default library + Improve ordering of related scales section - Fix a bug in which the selected clef was not preserved when switching between chords in split view Ear Training: + Make the UI more pleasant on iPad in landscape mode - Fix display of melodies in dark mode - Fix average score when less than the requested number of historical sessions have been completed
Author Bryce Hostetler
Type Tool
Supports Audio Unit (AU)

Now available as an Audio Unit extension (AUv3) allowing it to act as a powerful MIDI sequencer and clip launcher.

New version 1.8.5
Old version 1.8.4
Release Notes - Added note probability - Added another shift button to the left of the transport bar - Save track arm and global recording state on song model - Fixes crashes/freezes while handling midi input - Fixes crash on midi import to a clip while playing - General bug fixes and improvements
Author Imaginando Lda
Type Tool
Supports Audio Unit (AU)

Make beats easily in landscape or portrait, your choice.

New version 1.9.29
Old version 1.9.28
Release Notes Bug fixes and improvements.
Author SoundWare, Inc.
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Audio Unit (AU), Ableton Link

Photon is a DMX lighting console for night­clubs, musicians, live events, filmmakers, theaters...

New version 1.7.6
Old version 1.7.5
Release Notes What's new in Photon v1.7.6 : - Fix a privacy access bug. Inform the user to allow local network access.
Author StudiOS
Type Tool
Supports Ableton Link

Get instant musical ideas at a push of a button with Fortamento - a simple and effective music idea creator, capable of generating 4 bars of chord progression and melody, with the option to edit the idea and save the result.

New version 1.5
Old version 1.4
Release Notes - Updated AudioBus integration - Performance and algorithm improvements.
Author Yuri Laskin
Type Tool
Supports Audiobus

djay transforms your iOS device into a full-featured DJ and music production system.

New version 3.5.12
Old version 3.5.11
Release Notes Thank you for using djay! We update the app regularly to provide the best mixing experience for you. Here is what’s new in this release: • Improved videos source in media library with search functionality and access to TIDAL music videos • Improved stability with MIDI devices on iOS 14.2 • Various bugfixes and improvements If you enjoy the app please support us by rating it on the App Store. We look forward to your feedback!
Author Algoriddim GmbH
Type Instrument
Instrument type Sampler
Instrument sounds DJ
Supports Ableton Link

Waverley is the principal instrument in the moodunits collection. It’s sample-based, but it isn’t a fully-fledged sampling app that allows you to load and edit your own samples. Another usage scenario for Waverley is if you’re just sketching out an idea, perhaps on a less-capable device like your iPhone while you’re on the move.

New version 1.4.8
Old version 1.4.7
Release Notes • new Waverley SCAPERS instruments available from the MU Store (FREE!) • instrument version is now displayed in the MU Store with option to update Please note if you purchased and downloaded EMOEBO, please check to see if you need to update to 1.1 which fixes some performance issues. Hope you like the new SCAPERS! -Rob
Author Rob Jackson
Type Instrument
Instrument type Sampler
Instrument sounds All-in-one
Supports Audio Unit (AU)

SK-51 is an all-in-one keyboard inspired by the Casio SK-1 (and his brother the SK-5), a 8-bit lo-fi keyboard from the 80’s, with sampling features and onboard drum machine.
Called the poor man's sampler at the time, this keyboard was a real instrument and has been used by many major artists such as Fatboy Slim, Portishead, Autechre and Nine Inch Nails.

New version 3.0.1
Old version 3.0
Release Notes -Minors bugs fix with iOS 14 -iPhone 12 support -AudioUnit sample rate fix -AudioBus SDK update
Author Fingerlab
Type Instrument
Instrument type Sampler
Instrument sounds All-in-one
Supports Inter-App Audio (IAA), Audiobus

Create and save complete multi-track music projects. Record, sequence, edit, mix and render complete songs.

New version 3.4.9
Old version 3.4.8
Release Notes * Export file from browser bugfix * General bugfixes and stability improvements
Author Image Line Software
Type Host
Supports Audiobus

Tube AU is a web video player audio unit plugin.

New version 1.0.19
Old version 1.0.18
Release Notes Stability and performance improvements.
Author Mani Consulting Limited Company
Type Tool
Supports Audio Unit (AU)