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 4.3.4
Old version 4.3.3
Release Notes • Minor bugs fixed
Author Laurent Colson
Type Instrument, Tool
Supports Audiobus, Audio Unit (AU), Ableton Link

Portable Music Production Studio : create beats, compose whole tracks, sample, record, sequence, perform, mix and arrange your own music.

New version 2.2.10
Old version 2.2.9
Release Notes - Fix load keyboard state (auv3) - Better support for newer devices - Updated third party libraries (Link, Audiobus, Audiocopy) - Added pentatonic scale
Author UVI
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards, Drums, Percussion, Strings, Winds, Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link

ChordPolyPad is a chords player for Midi instruments, sequencers or virtual instruments installed on the same iPad.

New version 2.0.5
Old version 2.0.4
Release Notes • Development and addition of the Audio Unit version of ChordPolyPad • The ‘Real Time Transposition’ setup is now part of the preset and is called ‘Global Transposition’ from the main pad view • The MIDI triggering mode is now part of the ‘Pads Setup’ and can be saved and recalled with the preset • The 16 or 64 pads setup is now saved and recalled with the preset • Added a MIDI triggering order to dispatch MIDI notes from ‘Top to bottom’ or ‘Bottom to top’ on a group • Option to reset the MIDI control used on the pad when released • Added 64 pads setup to the iPhone version • Possibility to share presets by "AirDrop", "Mail", "Message", and other available services • Fixed an Audio Unit issue with BeatMaker 3 and NanoStudio 2 • Fixed an issue under iOS 14.2 from Core MIDI • Fixed an issue with the control panel selector • Fixed an issue on the Audio Unit version where the main MIDI output channel was stuck at 1 • Minor bugs fixed
Author Laurent Colson
Type Controller
Supports Inter-App Audio (IAA), Audiobus

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 8.3
Old version 8.2.2
Release Notes General: + Ability to change default chord symbols and other notation + Add GitHub issues link to settings (for tracking feature requests) Chord Pads: + Persist locked/unlocked state of the latch bar
Author Bryce Hostetler
Type Tool
Supports Audio Unit (AU)

Stereo Width Control is an Audio Unit plugin that allows you to increase or decrease the stereo width of 4 adjustable frequency bands.

New version 1.0.1
Old version 1.0
Release Notes 1. Share data between au3 hosts. 2. Fix the polar view display.
Author Mani Consulting Limited Company
Type Effect
Effect type Equalizer, Filter, Stereo, Pan effects
Supports Audio Unit (AU)

n-Track Studio 8 turns your iPhone, iPad or iPod touch into a complete recording studio.

New version 9.2.10
Old version 9.2.9
Release Notes • various bug fixes and enhancements Like n-Track Studio? Please leave a review & help us keep improving the app for you. If you have comments or suggestions please use the Contact Support button in the Settings box. Thanks for using n-Track Studio!
Author n-Track S.r.l.
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

GuZheng is a Chinese plucked zither that has a history dated back to 500 B.C. It is rich in playing techniques.

New version 6.3
Old version 6.2
Release Notes Bug fixes.
Author Supertintin Co., Ltd
Type Instrument
Instrument type Sampler
Instrument sounds Strings, Ethnic
Supports Inter-App Audio (IAA), Audiobus

n-Track Studio 8 turns your iPhone, iPad or iPod touch into a complete recording studio.

New version 9.2.10
Old version 9.2.9
Release Notes • various bug fixes and enhancements Like n-Track Studio? Please leave a review & help us keep improving the app for you. If you have comments or suggestions please use the Contact Support button in the Settings box. Thanks for using n-Track Studio!
Author n-Track S.r.l.
Type Host
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

Overloud TH-U turns your iOS device into a Guitar and Bass amp simulator, to let you play live, practice or record: standalone and AUv3 included.

New version 1.1.11
Old version 1.1.10
Release Notes Added two new Rig Libraries
Author Almateq srl
Type Effect
Effect type Guitar effects, Bass effects
Supports Audio Unit (AU)

Play your favorite songs in their original sound using your iPhone or iPad. It's a whole new experience in learning songs.

New version 2.3.7
Old version 2.3.6
Release Notes Out of the blue, here’s an update from us! In this version, we’ve completely reworked the AUDIO UNIT: • Different presets now can be used on different tracks without any limitations • All preset settings are restored correctly after the project has been closed and reopened • Tonebridge preset settings can be saved as a GarageBand preset • Improved overall stability Also, the app has been updated to work well on the latest iOS version. Follow @tonebridgeapp on Twitter and Instagram to get the latest news about the app. Rock on!
Author Ultimate Guitar
Type Effect
Instrument type Sampler
Instrument sounds Other
Effect type Guitar effects
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

This app is a portable multitrack audio and MIDI recording studio featuring virtual instruments, editing with unlimited undo/redo, mixing, real-time effects, automation and much more!

New version 3.0.3
Old version 3.0.0
Release Notes * The effects section has been completely redesigned: • The 3 insert effect slots have been replaced by a grid on which an unlimited number of effects can be placed. • The second row of the grid can be used to create parallel effect paths. • New look for the standard effects featuring rotary controls with an input and output level meter per effect. • Updated user interface for the graphic EQ to match the new design. • Modifiers like LFO and 'Lock to tempo' can be added to an effect parameter. • Effects can be re-ordered, meaning that for example the EQ can be put before or even between inserts • Mixer channel processing blocks like volume, EQ and effect sends are also displayed on the grid and can therefore be re-ordered as well. • The position of effect sends in relation to the 'Volume/Pan' block determines pre or post. • An unlimited number of effect sends can be added. • The Compressor, ToneBoosters Compressor and AUv3 effects with 2 inputs now have a side-chain feature. • The Compressor now features a gain reduction meter. • The effects selection dialog now features 'Effect categories' like Delay, EQ, Last used and Purchased for quicker selection. • If you are really attached to the 3 effect slots, you can choose that option (or 4 slots) in the preferences. * Added Toneboosters Barricade V4, EQ V4, ReelBus V4 and Reverb V4 effects (in-app purchase required). * Added real-time pitch shifter effect. * Added option to send MIDI clock sync and song position pointer to synchronize external MIDI equipment. * Added preference option to show marker names instead of a number. * Added triplet options to drum pattern editor. * User presets can now be loaded and saved for AUv3 effects. * When changing the grid size in the drum pattern editor, the notes will not be quantized anymore to the new grid size. Instead, notes that do not 'fit' the grid are drawn with a transparent color. * The drum pattern editor now features a Velocity button to enter velocity drawing mode instead of going through a drum sound's pop-up menu. * Audio clips can now be renamed (display name, not their file name). * Multi-channel audio files containing more than 2 tracks can now be imported and are split into mono tracks. * Added a 'Time stretch' button to the Edit mode of the piano roll editor to time stretch selected clips. * Notes in the piano roll editor now contain a line depicting velocity. * Pitch bend and channel pressure are now more drawn more clear. * Added a 'Color' option to the track pop-up menu to customize a track's clip color. (iOS14+ only). * Added 'Split into separate tracks' option to drum pattern track menu. * Drawing over CC events will now replace them in Draw mode. * The input of an instrument or MIDI track now defaults to a connected MIDI device (when available). * Solved crash on iOS14 when sending MIDI. * New app icon. * The size of the AU display in the drum pattern editor was incorrect. Solved. * Solved a possible crash when importing from AudioShare when the app was not running.
Author Davy Wentzler
Type Host, Instrument, Effect
Instrument type Sampler
Instrument sounds All-in-one
Effect type All-in-one
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

Poly 2 is a generative sequencer that creates evolving patterns and melodies based on the power of polyrhythms.

New version 2.1.5
Old version 2.1.4
Release Notes Updated Ableton Link for iOS 14
Author James Milton
Type Host, Tool
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link

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

New version 1.9.0
Old version 1.8.5
Release Notes - Sample accurate midi events (playback & recording) - Clip drag and copy (with shift) - Notes drag and copy (with shift) - Fixes playback jitter - Fixes sample rate (AUv3) - Adds the ability to sync with host when hosted (status bar link icon) - Send MIDI clock start/stop events only when enabled - General bug fixes and improvements
Author Imaginando Lda
Type Tool
Supports Audio Unit (AU)

Mixvibes introduces the perfect remix toolbox: lay down samples on a grid of pads and tweak them in seconds.

New version 6.0.2
Old version 6.0.1
Release Notes We keep improving Remixlive to make sure you have the best experience possible when creating and composing! Remixlive 6 comes with a lot of new cool features! If you like Remixlive, make sure to rate the app and follow us on Instagram @remixliveapp Version 6 updates: • New SONG mode, a complete and feature-rich arranger view allowing you to create tracks with much more complexity and details. • Added a keyboard to play samples with several chromatic differences, offering our users a wider spectrum of possibilities for their creations. • Added an advanced step sequencer edition enabling the creation of complex grooves and melodies • Implements MIDI support for Novation Launchpad MKII
Author MIXVIBES
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Inter-App Audio (IAA), Audiobus

It's a powerful rhythmic music generator for any 8 instruments that works Very Well for drums too.

New version 5.3.0
Old version 5.2.2
Release Notes Fixed display issues in iOS 14 Updated Audiobus code Added new Advance Wave feature in Jammer Panel
Author Techné Media
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus, Ableton Link

This is a very simple yet powerful iOS app that performs as a polyphonic audio synthesizer.

New version 2.17.5
Old version 2.17.4
Release Notes Revert drawing changes to knob controls.
Author Brad Howes
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)

midiSTEPs is a powerful and fun MIDI step sequencer app that sends MIDI note and CC messages to other music apps and external synthesizers.

New version 3.0.3
Old version 3.0.2
Release Notes Added AUv3 parameters for first step, last step, transpose amount In AUv3, program change 16 now moves pattern down by one, 17 moves it up. 0-15 still select pattern number User manual updated for AUv3 Misc improvements and bug fixes
Author Arthur Kerns
Type Host, Tool
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link

Flexible and powerful frequency generator.

New version 2.1.1
Old version 2.1.0
Release Notes - improved support for Apple Silicon
Author Thomas Gruber
Type Tool
Supports Audiobus

Flexible and powerful frequency generator.

New version 2.1.1
Old version 2.1.0
Release Notes - improved support for Apple Silicon
Author Thomas Gruber
Type Instrument
Instrument type Synth
Instrument sounds Other
Supports Audiobus

This is a very simple yet powerful iOS app that performs as a polyphonic audio synthesizer.

New version 2.17.4
Old version 2.17.3
Release Notes Restore processing and forwarding of MIDI controller messages to sampler component in app.
Author Brad Howes
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)