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Epic 64-voice Virtual Analog / PCM iPad Synth. Inspired by the Digital Synths of the 80s and 90s.

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

This is a AUv3 compatible audio compressor which can be used as plugin with your favourite DAW such as Cubasis, Meteor, Auria or GarageBand.

New price $4.99
Old price $6.99
Author 4Pockets.com
Type Effect
Effect type Compressor, Limiter, Gate
Supports Audio Unit (AU)

DrumKick for iPhone is the live performance drum app.

New price Free
Old price $0.99
Author Mark Jeschke
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus

DrumKick is the live performance drum app.

New price Free
Old price $1.99
Author Mark Jeschke
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus

With this instrument you can transform any sound into a playable musical instrument via a technique known as Granular Synthesis.

New version 1.1.0
Old version v1.0.9
Release Notes v1.1.0 (the playability update!) - New MPE functionality (Roli Seaboard, Roli Light Block, Linnstrument and AUv3 apps with MPE-out): — New!! MPE mode "MPE Pitch": X-axis = pitch bend, Y-axis = fine grain position modulation, Z-axis = volume — Visualisation showing grain position modulation in real-time — Option to set pitch bend amount (in advanced settings panel) — MPE presets added (start with these and add your own sounds!) - MIDI and MPE are now active at all times (no need to change modes) — Amplitude envelope is now a dedicated option (envelope can now be used with a non-chromatic grid, MIDI/MPE can now be used without the envelope if desired) — MIDI channel selection option (advanced settings) - Scales improvements: — Loads of scales added (34 in total!) including the modes and pentatonic scales — Scales can now be used with MIDI and MPE — Sequencer note grid auto resizes with scale - Option to transpose sample pitch per-sequencer in range +/- 1 Octave with resolution of 1 semitone - When saving project in AU host, the loaded sample will be automatically saved (like with presets) - Parameter automation now fully functional in AUv3 hosts including Cubasis and NS2 - Factory presets can now be selected via host GUI - Fixed bug where the ‘all notes off’ button sometimes wouldn’t terminate notes as expected - Now always starts with default state when in standalone mode (presets should be used in standalone) - All parameters controllable via MIDI CC-in (CC channel can be selected via Advanced Settings) — CC 6 thru CC 41 = all parameters (XY controls + ‘actions’ such as record and monitor), see website for details — CC 64 = sustain pedal (both sequencers) — CC 123 = all notes off (both sequencers)
Author Mark Watt
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audio Unit (AU)

The K Machine is an audiovisual instrument, allowing the creation of audiovisual animations based on visual shaders and sequenced audio samples, and designed for musicians, shaders enthusiasts, VJs, and animation lovers in search of a live oriented, open, audiovisual instrument.

New version 2.75
Old version 2.74
Release Notes - Minor bug fixes - Frameworks modifications for Appstore review guideline compliance.
Author Dominique Baillot
Type Host
Supports Audiobus, Ableton Link

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

New version 3.0.5
Old version 3.0.4
Release Notes We are always improving djay and adding new features. Here's what’s new in this release: • Added pitch bend controls to turntable modes • Added support for assigning audio/video separately via drag & drop on iPad • Added marking of previously played songs from Spotify • Improved track syncing • Improved turntable interface on iPhone landscape orientation • Improved lock screen controls to also stop looper and sampler if they were playing • Fixed issue with sample pads 7 and 8 when triggered from MIDI controllers • Fixed pressing browse knob on Reloop Mixon 4 and other controllers not opening media library • Fixed looper and sampler pack selection not being saved across launches • Fixed song artwork flashing when returning to app • Fixed unplugging headphones not stopping looper and sampler if they were playing • Fixed display sleep when using external screen via AirPlay or HDMI • Fixed missing search buttons on Match and Queue panes in media library • Fixed camera roll and YouTube export of recorded videos • Various bugfixes and improvements NOTE: If you previously purchased djay 2 or djay Pro, you can continue to use them side-by-side with the new djay and download them at any time via the "Purchased" section in the App Store app. Additionally, all of your existing controller mappings, cue points, and purchased FX packs will automatically transfer to the Free and Pro versions of the new djay. Thank you for using djay! If you enjoy the new djay, please support us by rating the app. We are looking forward to your feedback!
Author algoriddim GmbH
Type Instrument
Instrument type Sampler
Instrument sounds DJ
Supports Ableton Link

Synclavier Pocket! is a demo app that re-creates the Synclavier® II Digital Synthesizer of 1980 in shirt-pocket form.

New version 1.14
Old version 1.13
Release Notes Version 1.14 improves the Quick Start presentation and resolves issues on phones when the rotation is locked. Additionally, 2 new Timbre Libraries are now available in the free download.
Author Synclavier Digital Corporation Ltd
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus, Ableton Link

A creative bass music synth sequencer for electro melodies or dirty phat & funky acid techno basslines.

New version 1.8
Old version 1.7
Release Notes Some efficiency changes in code. Removed the input channel for use as Audiobus filter (This broke on many devices anyway and was unreliable)
Author Rob Wilmot
Type Instrument
Instrument type Synth
Instrument sounds Bass
Supports Inter-App Audio (IAA), Audiobus, Ableton Link

StompBox turns your iPad into a flexible Multi FX Processor, it  includes many effects plus a Recorder and Media Player.

New price $4.99
Old price $7.99
Author 4Pockets.com
Type Effect
Effect type Guitar effects, Bass effects, All-in-one
Supports Inter-App Audio (IAA), Audiobus

Atomizer is a great plugin for adding beat synced glitch and stuttering, pitch shifting and various forms of filtering effects to your songs.

Author 4Pockets.com
Type Effect
Effect type Pitch effects
Supports Audio Unit (AU)

This Auto Wah can perform many different filtering effects but it's main purpose is to simulate a traditional WahWah pedal such as those used by guitarists.

New version 1.03
Old version 1.02
Release Notes Fixed a potential issue which arrises when multiple instances are loaded in the same DAW.
Author 4Pockets.com
Type Effect
Effect type Modulation effects
Supports Audio Unit (AU)

Alina String Ensemble is a musical keyboard application for iPhone/iPad/iPod touch that simulates the Solina String Ensemble.

New price $2.99
Old price $5.99
Author insideout ltd.
Type Instrument
Instrument type Sampler
Instrument sounds Strings
Supports Inter-App Audio (IAA), Audiobus

Live stream your beats from compatible Audiobus apps or musical instruments connected to the audio port of your iPhone or iPad. Create original music and perform live to your audience through a simple web URL. Live music performances can happen right now from your iOS device.

New version 1.3
Old version 1.2
Release Notes Now stream for free from a shared pool of servers! Share presets from Audiobus directly to Drop Beats. Find shared presets from around the world in the Drop Beats app.
Author Omar Abdelwahed
Type Tool
Supports Audiobus

PolyHarp is a virtual musical instrument and a thought experiment. It's a testbed for harmonic theory as well as a great multi touch simulator of the good old "idiot zither" you have in the attic.

New version 1.0.6
Old version 1.0.5
Release Notes More Bug fixing! No more crash from lowering Polyphony while using MIDI Updated Audiobus Remote support. I bet you all use Audiobus Remote - it works well with PolyHarp!
Author Henry Lowengard
Type Instrument, Controller, Tool
Instrument sounds Other
Supports Inter-App Audio (IAA), Audiobus

Looperverse is the ultimate loop recording and performance system for iOS.

New version 1.3
Old version 1.2
Release Notes We're excited to share this update with you! If you have questions, email us at support@retronyms.com. If you’re enjoying the update, we’d love if you rate the app :) New Features: * Metronome volume saves with the scene * Name your .wav when saving a scene * BPM now goes down to 20 for Ableton Link purposes (30 was the old limit) * Simple iOS Files app support * Build number is now displayed on the help screen Universal Fixes: * Fixed clicks in mixdown * Fixed instability when pasting audio in with AudioCopy * ”Audio in Background" now shown as enabled and greyed out when it cannot be disabled (Ableton Link is on, InterApp is on, or AudioBus is on) * Fixed bug where wrapped region of sound can lose sync * Fixed bug where duplicated region started playback immediately * Minor visual fixes * CC82 with value 0 now turns off the metronome as expected * Various other small bug fixes iPad Specific Fixes: * AudioPaste destination app dialog looks better * Layout of MIDI learn overlays fixed for iPad Pro 10.5" iPhone Specific Fixes: * Fix crackling sound on some iPhones (models which don't have headphone jacks) * Fixed keyboard covering up the save dialogs on some iPhone display sizes * AudioPaste no longer dismisses before users can select destination app * AudioPaste doesn't freeze the UI or distort the waveform after dismissal * The toolbar is now scrollable during MIDI learn so that owners of smaller phones can learn all transport controls
Author Retronyms Inc
Type Host
Supports Inter-App Audio (IAA), Audiobus, Ableton Link

EGDR808 is a drum machine that emulates the vintage hardware from the 80's.

New version 3.1.3
Old version 3.1.2
Release Notes - Fixed visualization on iPhone X - Fixed bug on autofill - Improved audio engine
Author Elliott Garage
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus

Combo Organ Model V is a musical keyboard app for iPad/iPhone/iPod touch that simulates the electric transistor organ, is called a Combo Organ. It was a big success in the 1960s.

New price $1.99
Old price $3.99
Author insideout ltd.
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus

Triqtraq LE is a free limited edition of the critically acclaimed music app Triqtraq - Jam Sequencer.

Author Zaplin Music
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards, Drums, Percussion, Guitar
Supports Inter-App Audio (IAA), Audiobus, Ableton Link

A creative bass music synth sequencer for electro melodies or dirty phat & funky acid techno basslines.

New version 1.7
Old version 1.6
Release Notes Some optimisation.
Author Rob Wilmot
Type Instrument
Instrument type Synth
Instrument sounds Bass
Supports Inter-App Audio (IAA), Audiobus, Ableton Link