Version updates

Arctic Pro Synthesizer / Vocoder is a modern subtractive synthesizer.

New version 1.7.0
Old version 1.6.0
Release Notes - Exclusive new patch bank by Christian C. Thompson - Various performance improvements and bug fixes
Author One Red Dog Media
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus

Discover, learn, play and create piano songs with this all in one piano app.

New version 1.3
Old version 1.2
Release Notes - Added support for 20 new languages - Improved AR on iPhone X
Author Massive Technologies Inc.
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards, Piano
Supports Inter-App Audio (IAA), Audiobus

The Moog Model 15 App is the Moog modular synthesizer and synthesis educational tool.

New version 2.0.5
Old version 2.0.4
Release Notes Minor improvements.
Author Moog Music Inc.
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Ableton Link

MV08 is a drum machine for iPhone and iPad inspired by one of the greatest drum machines of all time.

New version 1.2.2
Old version 1.2.1
Release Notes Removed unwanted noise from the end of a few samples
Author James Milton
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus, Ableton Link

Stroke Machine is a professional Groove Synthesizer for the iPad.

New version 2.0.8
Old version 2.0.7
Release Notes • Audiobus SDK 3.0.3. • AudioCopy 3.4. • Fixed start-up crash. • Fixed graphic problems on iPad Pro. • Fixed wrong Reverb Predelay length. • IAA beat and tempo synchronization with precedence over MIDI Clock.
Author Wolfram Franke
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus

StepPolyArp is a real-time Midi arpeggiator to control Midi instruments, sequencers like Logic, Cubase, Live, and all other Midi sequencers, or even other virtual instruments installed on the same iPad.

New version 3.0.1
Old version 3.0
Release Notes • Bugs fixed
Author Laurent Colson
Type Instrument, Tool
Instrument type Sampler
Instrument sounds All-in-one
Supports Inter-App Audio (IAA), Audiobus, Ableton Link

Looptunes is the next generation of beat making tools that allows you to create loop sessions on the fly.

New version 2.6.1
Old version 2.6
Release Notes - fixed Files app support
Author Sonicreef LLC
Type Instrument
Instrument sounds Drums, Percussion
Supports Audiobus, Ableton Link

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

New version 1.52
Old version 1.51
Release Notes Upgraded to support iOS11. Minor Bug Fixes.
Author 4Pockets.com
Type Effect
Effect type Guitar effects, Bass effects, 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 3.1.88
Old version 3.1.87
Release Notes - This version is better optimised to iOS 11 inc fixing keyboard dead-zone issues. - Various bug fixes and improvements.
Author Image Line Software
Type Host
Supports Audiobus

Modern take on the classic 8 step sequencer.

New version 2.0
Old version 1.7
Release Notes iOS 11 support New Preset Import/Export New Ableton Link Updated Audiobus
Author Roger Mann
Type Instrument
Instrument type Sampler
Instrument sounds All-in-one
Supports Audiobus

LoAdKer is a novel rhythm event generator that is based on fractal sequences.

New version 1.5.4
Old version 1.5.3
Release Notes - added support for Files app (iOS 11+) - import and export audio files (WAV and AIFF) from and to other apps and locations - user now can choose whether to let the pattern play to the end when sequencer stops - improved audio engine
Author Axart Software UG (haftungsbeschraenkt)
Type Instrument
Instrument type Sampler, Synth
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus, Ableton Link

StompBox Lite turns your iPad into a flexible Multi FX Processor which comes with 3 free effects; Delay, Reverb, Chorus and a further Effects to choose from in the Online store.

New version 1.52
Old version 1.51
Release Notes Upgraded to support iOS11. Minor Bug Fixes.
Author 4Pockets.com
Type Effect
Effect type Guitar effects, Bass effects, All-in-one
Supports Inter-App Audio (IAA), Audiobus

PPG Infinite is a system which can synthesize harmonic and inharmonic sounds.

New version 1.0.3
Old version 1.0.2
Release Notes Envelope edit mode - with all points and bend curves 3D edit - Track select and trace can both be active Stability issues iPad Pro compatibility issues AU extension - Parameter automation AU extension - All notes off command
Author Wolfgang Palm
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus

Looptunes is the next generation of beat making tools that allows you to create loop sessions on the fly.

New version 2.6
Old version 2.5.5
Release Notes - online session sharing - bug fixes - Files app support
Author Sonicreef LLC
Type Instrument
Instrument sounds Drums, Percussion
Supports Audiobus, Ableton Link

Looptunes is the next generation of beat making tools that allows you to create loop sessions on the fly.

New version 2.6
Old version 2.5.4
Release Notes - online session sharing - bug fixes - Files app support
Author Sonicreef LLC
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion, DJ
Supports Audiobus, Ableton Link

LCW-1 is an app with 8 monophonic synthesizers.

New version 1.0.3
Old version 1.0.2
Release Notes v1.0.3 - Added Virtual MIDI In.
Author Itoh Tomoaki
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA)

Yellofier makes anything into music. Record your voice, a musical instrument or everyday noises. Within seconds the app magically turns them into groovy music.

New version 1.4.1
Old version 1.4
Release Notes - fixed an issue where audio would not play when the app was started from the background (an IAA host)
Author Boris Blank
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Audiobus

dot Melody is a multidimensional graphic arpeggiator, sequencer, and drum machine.

New version 1.1.1
Old version 1.1
Release Notes • Fixed crash on iOS11 • Shiny new icon • Adjusted layout for iPhone X • Smaller dots on iPad
Author Olympia Noise Co.
Type Instrument, Controller
Supports Inter-App Audio (IAA), Audiobus, Ableton Link

Stroke Machine is a professional Groove Synthesizer for the iPad.

New version 2.0.7
Old version 2.0.6
Release Notes • Audiobus SDK 3.0.3 • AudioCopy 3.4 • Fixed graphic problems on iPad Pro. • Fixed wrong Reverb Predelay length. • IAA beat and tempo synchronization with precedence over MIDI Clock.
Author Wolfram Franke
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus

KQ Dixie is a 6-Operator FM synthesizer that is modeled on the synthesizer which appeared on the 1980s.

New version 1.0.7
Old version 1.0.6
Release Notes You can choose on-screen velocity slider or modulation wheel. Improved memory management. Other small fixes.
Author Ryouta Kira
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus, Audio Unit (AU)