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

Droneo is a synthesizer which drones with various timbres and precise intonations that blur the distinction between tones, timbres and chords. Its drone is great for meditation, centering, and calming,  walking and biking, but also can be set up for discordant noise and insect-like buzzing and chirping.

Arpeggist is a MIDI Note arpeggiator with a very flexible step matrix editor for programming and a unique “rolling dice” random arpeggio generator.

Trapezoid is an amazing Hammered Dulcimer app for the iPad.

LH Grain is a two channels, which are all independent, synthesizer for performance.

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

PixiTracker 1BIT is a simple and fun tool to quickly create musical sketches, chiptunes and experiments with TRUE 1-BIT SOUND (like on old microcomputers).
No musical knowledge required.

An app which is a faithful digital re-creation of their circa 1980 analog cult-classic, The MINI-SYNTHESIZER.

iOS implementation of tunable Balinese Gamelan Gender Wayang.

Mimicking the layout of Hohner's iconic piano accordions, this intuitive virtual accordion is easy to play and sounds exactly like the real instrument.

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.

No time to delve into the big and serious music apps? PixiTracker is what you need! It is a simple and fun tool to quickly create musical sketches, chiptunes and sound experiments.

World of Bagpipes Pro is a five sounding sets of bagpipes for the iPad that are played using standard Scottish piping fingerings.

GrainProc is a real-time granular synthesizer with which you can create new sounds and musical textures by affecting your voice, your instrument, or any input.

Kauldron is a synth with new modeling technology, combined with features help you create aggressive synth sounds full of rich analog textures with the fewest knob tweaks.

7Xwave - a 7 track sample sequencer with synthesizer & animatable modulation features.

Holding the simplicity of eighties instruments and carrying their raw heritage to you, it turns your device into a pocket beat making companion. I believe that designing a pure interface, simply displaying your machine without any distraction, was the best way to reflect the spirit of the period it was born.

Fractal Bits is a drum synth with over four billion unique sounds created by fractal algorithms.

A 6 channel drum synthesiser & sequencer for creating beats, electro rhythms or just wacky drum synth blips.

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

An app that can also be used stand-alone with a cool built-in FM synth and sound space surface controller.