iOS Musician Apps (344) Supported Technologies is Audiobus, Type is Instrument

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

DRUMLAB brings a new approach to the Drum Machine by allowing you to play with both Samples & Synthesis drum sounds.

DM2 is a synthesis-based drum machine with a dedicated graphic editor, for the creation and manipulation of sound.

Poison-202 is a professional Vintage Midi Synthesizer.

Groove Rider GR-16 is a professional step-sequenced groove box, inspired by professional hardware drum machines and rhythm boxes.

The hybrid synthesis algorithm on which Addictive Pro is based provides you with efficient means for easy control of complex sounds far beyond usual sound synthesis methods.

SpringSound is a physical-modeling audio synthesizer that produces sounds by simulating interactions and vibrations of a set of activators and masses connected to springs.

Samplr allows you to make music and play with sound in a new and intuitive way by touching the waveform on the screen with your fingers.

Historic Harpsichords - Ruckers 1628 is a sampled recreation of one of the greatest and most valuable harpsichords of all time.

Professional Virtual Analogue Synthesizer.

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

Jam Maestro is a powerful music composition tool for musicians interested in making guitar-centric music.

AudioKit Synth One is a completely free & open-source professional iOS Synthesizer. 

Colossus Piano sets a new standard in terms of realism, detail and overall quality of piano sounds on your iPad, iPhone and iPod touch.

Play with the sound of a full cathedral organ, created by award-winning sound designer Kurt Ader.

This app contains the following instruments: Trumpet, Trombone and Saxophone sampled in four different brass sections.

The second best sounding piano app in the App Store (after "Colossus Piano")!

Oriental Strings is a professional sound module app for oriental keyboard players and for musicians who simply want to resemble the typical sound of the Middle East in their songs.

The ultimate orchestra sound app for sophisticated musicians by sound designer Kurt Ader, designed as professional sound module for your iPad, iPhone or iPod touch.

iShala is an Indian music software that combines a tabla machine, a lehra player and an electronic tanpura/swarmandal.