iOS Musician Apps (350) Supported Technologies is Audiobus, Type is Instrument

AutoPad is an app for musicians that allows you to play ambient pad loops.

Celtic Sounds is a fully transposable MIDI sound module with five traditional Irish musical instruments.

Steps by Reactable is a small yet powerful MIDI sequencer that allows you to create complex rhythmic patterns in a surprising new way.

DrumJam is a whole new world of percussion and drums for the iPad, iPhone and iPod touch.

This intuitive virtual instrument features a super responsive  fingerboard that plays and sounds like the traditional instrument in the most common two-row tunings of B/C, C#/D, and D/G, as well as an extended B/C+ layout with four chromatic buttons on a partial third row.

Loopseque is back with a rounded beat machine, percussion drum sequencer, the ability to change samples, patterns on the run, use effects, filters, etc to easily create a musical atmosphere that you like.

SDS-x is a "nine pads" style drum module that lets you easily use samples alongside your drum kit.

Even if you've only played air guitar, ThumbJam lets you sound like a pro.  Pick an instrument and jam - with all the scales to choose from you'll never hit a wrong note.

Chordbot is a songwriting tool / electronic backup band that lets you create and play complex chord progressions in different arrangements easily. Just add some chords, select a comping style and hit play.

With a library of editable patterns, loops, and fills, Drum Session is a very fast, simple way to put together a complete drum track.

RMX-1000 for iPad is a tactile iPad app that lets you add high-quality FX to tracks in your iTunes library.

SKIIID is a new drum-synthesizer with 4 expressive pads and the possibility to morph between them.

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

Combining a large collection of unique guitars, all-new realtime effects and amps processing, Steel Guitar is easily the most realistic sounding guitar on iOS.

Esoteric Synth is a unusual generator of synthetic sound events. The synthesis is based on 5 oscillators which are intersected through an multiple amplitude modulation and multiple frequency modulation making  an high sound variability. This App is suitable to generate complex sound textures, glitches, noises, sound clouds, sound drones, point sounds and more.

DrumKick is the live performance drum app.

Group the Loop brings audio looping to the iPad. Record, loop, overdub, add effects and much more.

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.

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

This is a Lite version of EGDR909 - 909 Drum Machine, but all its functionalities can be unlocked as in-app purchase.