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Time Machine is a plugin that allows you to go back to the days of vinyl and tube amplification. 

New price $6.99
Old price $9.99
Author 4Pockets.com
Type Effect
Effect type Other
Supports Audio Unit (AU)

Ferrite is an app you need for creating podcasts, radio journalism, or other professional voice production work — lectures, speeches, voiceovers and more.

New version 3.1.4
Old version 3.1.3
Release Notes • Various reliability improvements.
Author Wooji Juice Ltd
Type Host
Supports Audio Unit (AU)

One Maze point can be Grid-Synth, Sampler and Rhythm at the same time. By the use of several Mazes, each one can be taken for a certain sound element. The Mazes list allows switching Mazes on/ off immediately.

New version 4.0.3
Old version 4.0.2
Release Notes 4.0.3 Small bug fixes & improvements Extended presets structure for sets Added demo sets New interface background color in visuals setup Mazetools Soniface Pro is available as iPhone&iPad version on Mac M1+ (Apple Silicon) with activated trackpad touch alternatives to use the trackpad for multitouch 4.0 Improved app performance, structure, sound & visual quality New design mode for small displays Webcam based motion tracking to sound interface New Preset structure for all instruments Rhythm Sequencer Pattern Mode Parametric EQ for Master, Rhythm & Sampler New effects for Sampler & Rhythm Key Interface with chord & scale picker Keys for live instrument input Improved MIDI system, Gridsynth MIDI Out Apple 3D Audio support with HRTF (experimental, Sampler only) New Guide, improved in-app help in english & german Background Audio, Inter-App Audio & Audiobus (experimental)
Author Ectoplastic
Type Instrument
Instrument type Synth
Instrument sounds All-in-one
Supports Ableton Link

A complete reproduction - and more - of the legendary M1 that defined an era. Mobile Digital Synthesizer for the iPad.

New price $14.99
Old price $29.99
Author KORG INC.
Type Instrument
Instrument type Sampler
Instrument sounds All-in-one
Supports Inter-App Audio (IAA), Audiobus

The ELECTRIBE reborn in an even smaller form A full-fledged rhythm machine for iPhone.

New price $9.99
Old price $19.99
Author KORG INC.
Type Instrument
Instrument type Synth
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus

miRack is a Eurorack-style modular synthesizer. It aims to provide user experience and audio quality close to those of the real Eurorack hardware.

New version 4.03
Old version 4.02
Release Notes APP FEATURES * The AUv3 plugin will now prompt to allow access to miRack documents folder. This is to ensure miRack standalone app and AUv3 plugin can access the same data and for some of the modules (e.g. samplers and audio recorders) to function correctly. Please follow the instructions when asked, this normally will need to be only done once. BUG FIXES * Fixed a crash in some cases when another audio app is running and the OS forces too large audio buffer size for miRack.
Author mifki Limited
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus

The app is a hyper-loop machine and uses the surfaces of a cube to play melodies, rhythms and sound surfaces by touch.

New version 2.0.2
Old version 2.0.1
Release Notes 2.0.2 Small bug fixes & improvements 2.0.1 Bug fixes & improvements Added demo sets Mazetools Mutant is available as iPhone&iPad version on Mac M1+ (Apple Silicon) with activated trackpad touch alternatives to use the trackpad for multitouch 1.5 Improved app performance, audio quality Snapshot Cloud: to load Snapshot into a 3D cloud (offline) defined by perception features mood, energy & structure Interactive cloud navigation and Snapshot filtering by author, key & tempo Snapshot Mutation Interface to merge two Snapshots Improved Setup Interface New Guide, improved in-app help in english & german Background Audio, Inter-App Audio & Audiobus (experimental)
Author Ectoplastic
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Ableton Link

The app gives you the basis to try out Grid Synth, Sampler & Rhythm. The Guide explains the basic functions to create soundscapes & melodies.

New version 4.0.3
Old version 4.0.2
Release Notes 4.0.3 Bug fixes & improvements Extended presets structure for sets Added demo sets New interface background color in visuals setup 4.0 Improved app performance, structure, sound & visual quality New design mode for small displays Webcam based motion tracking to sound interface New Preset structure for all instruments Rhythm Sequencer Pattern Mode Parametric EQ for Master, Rhythm & Sampler New effects for Sampler & Rhythm Key Interface with chord & scale picker Keys for live instrument input Improved MIDI system, Gridsynth MIDI Out Apple 3D Audio support with HRTF (experimental, Sampler only) New Guide, improved in-app help in english & german Background Audio, Inter-App Audio & Audiobus (experimental)
Author Ectoplastic
Type Instrument
Instrument type Sampler, Synth
Instrument sounds All-in-one
Supports Ableton Link

Let the musical muses of Piano Motifs inspire your device to generate some original and beautiful motifs (short melodies).

New version 4.48
Old version 4.47
Release Notes Maintenance Update: • Fixed issue where if BPM was changed while in Append Mode, some note durations could be wrong causing note clipping. • Fixed Append Mode issue where when appending a motif if Octave Shifts are performed the whole arrangement is shifted. Only the current motif should be shifted. • Added labels and separators in the Settings Screen for better readability. • Added new accompaniments to be used when generating random accompaniments to increase variety. • Minor bug fixes and improvements
Author Fernando Morales
Type Tool
Supports Ableton Link

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

New version 10.0.127
Old version 10.0.124
Release Notes • Create your own instruments by dragging and dropping or even recording sounds straight into the step sequencer, piano roll, drums or screen keyboard • Save and recall chains of effects and instruments with the new Effects Chains and Instrument Chains menus • New Song Browser view, quickly reload previously saved songs without having to manually manage files • Add some celestial magic to your tracks with the new Shimmer effect • Create otherworldly reverberations with the new Diffuser effect • Assign an icon representing the instrument for a track • Improved Onda Synth instrument • Various bug fixes and enhancements Like making music with 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. Thank you for using n-Track Studio!
Author n-Track S.r.l.
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

STARK is a fully fledged amplifier simulator consisting of four modules: Amplifier, Cabinet, Room and effects slots. These modules are processing audio separately, which makes it possible to combine different amplifiers with different cabinets and rooms.

New price $11.99
Old price $19.99
Author Klevgränd produkter AB
Type Effect
Effect type Guitar effects
Supports Audio Unit (AU)

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

New version 10.0.127
Old version 10.0.124
Release Notes • Create your own instruments by dragging and dropping or even recording sounds straight into the step sequencer, piano roll, drums or screen keyboard • Save and recall chains of effects and instruments with the new Effects Chains and Instrument Chains menus • New Song Browser view, quickly reload previously saved songs without having to manually manage files • Add some celestial magic to your tracks with the new Shimmer effect • Create otherworldly reverberations with the new Diffuser effect • Assign an icon representing the instrument for a track • Improved Onda Synth instrument • 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. Thank you for using n-Track Studio!
Author n-Track S.r.l.
Type Host
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

Pro Metronome is a tool that helps you master both daily practice and stage performance.

New version 4.2.1
Old version 4.2
Release Notes Version 4.2.1: - Added Bluetooth Pedal input configuration Version 4.2 Update: - Practice mode now supports Count-In bars. - Automator allows the start tempo to be higher than the target tempo (deceleration). - Rhythm trainer adds Intro-bars. - Added sound effects for interactions. - Improved the interaction for Tap Tempo(trigger on touch instead of release) - Improved play interaction for Stage mode: Play on touch released. - Supports controlling playback via Bluetooth earphone. - Supports AirPlay mode. - Provides landscape full-screen mode. - Added a clock in landscape mode. - Added a mute button on the main interface tool-bar (long press opens the sound settings panel). - Supports Audiobus 3. - Added support for French, Italian, Spanish, Portuguese, Japanese, and Russian.
Author 轶翔 肖
Type Tool
Supports Audiobus

DC-9 Overdrive is a circuit modeled overdrive plug-in that emulates the famous Ibanez® TS9 Tube Screamer.

New version 1.1.0
Old version 1.0.9
Release Notes Minor fix
Author Blamsoft, Inc.
Type Effect
Effect type Distortion, Drive etc.
Supports Audio Unit (AU)

Flexible and powerful frequency generator.

New version 3.1.0
Old version 3.0.0
Release Notes Redesigned Fine-Tune popover! • change the tone amplitude and the system volume independently • change the volume in % or in dB • custom configuration of the volume step size • custom configuration of the frequency step size Remote Play: smaller fixes and improvements Several user interface changes and improvements
Author Thomas Gruber
Type Tool
Supports Audiobus

Xequence AU | Keys is a comprehensive and expressive keyboard controller for use inside AU (Audio Unit) hosts. It features the same, widely acclaimed keyboard that users of Xequence, our advanced MIDI workstation, have grown to love.

New version 1.2.1
Old version 1.2.0
Release Notes FIXES: - Fix erratic behaviour of 'Pitch' controller in Key Slide / Position control mode.
Author Alexander Ewering
Type Controller
Supports Audio Unit (AU)

Flexible and powerful frequency generator.

New version 3.1.0
Old version 3.0.0
Release Notes Redesigned Fine-Tune popover! • change the tone amplitude and the system volume independently • change the volume in % or in dB • custom configuration of the volume step size • custom configuration of the frequency step size Remote Play: smaller fixes and improvements Several user interface changes and improvements
Author Thomas Gruber
Type Instrument
Instrument type Synth
Instrument sounds Other
Supports Audiobus

Lagrange synthesizer has two oscillators, a noise generator and two filters that can be selected from various algorithmic models.

New price $7.99
Old price $9.99
Author iceWorks, Inc.
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link

Wotja X is a new cross-platform interface for the 'Wotja Generative Music System'.

New version 24.0.2
Old version 24.0.1
Release Notes FIXED: Issue that could potentially affect use if audio device running with less than 48000 Hz. FIXED: Support for watchOS/media remote control. FIXED: Other minor bugs. FULL DETAILS: wotja.com/releases/#w24-0-2 P.S. Love Wotja? *Please* give a new rating for each update, it really helps us!
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)

Auria is a mobile music production system designed from the ground up for the iPad.

New version 2.35
Old version 2.34
Release Notes - Fixed compatibility with newer 12.9" iPad Pros - Fixed issue with M4A mix down mode - Fixed issue on opening when the last project had 0 tracks - Fixed issue related to undo when in editor mode - Fixed Dropbox-related issues when exporting mixdown - Increased the maximum number of plugins supported
Author WaveMachine Labs, Inc.
Type Host
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)