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

This app reproduces the functionality of Casio’s best-selling CZ-series models, such as the CZ-101 (first released in 1984), and also includes new functions.

Attack Drums is a synthesizer designed mainly for drum sounds, but the powerful sound engine can also be used for everything else - including vocals.

Slow down music, choose the perfect pitch, and learn to play by ear.

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

iFretless Bass is a professional virtual instrument that provides bass and guitar players with an expressive fretless playing surface.

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

Brazilian Drum Machine is a complete brazilian rhythm section in your device.

Turn your iPhone or iPad into a solid Rock Drummer with powerful drum sounds and tons of rhythms to get energetic drum grooves.

Agonizer is a monophonic synthesizer designed in collaboration with YouTuber and synth bass expert Jakob Haq of haQ attaQ

ShockWave is a monophonic Synthesizer designed to bring modular style workflow to the world of iOS & AUv3 plugins.

Roxsyn is a metamorphic guitar synthesizer.

Synclavier Go! is an authentic re-creation of the Synclavier® II Digital Synthesizer of 1980.

"StepPolyArp Unit" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an Audio Unit MIDI effect plug-in.

VOLT is a virtual analog synthesizer designed to create classic synth sounds while emphasising expressive play.

Harness the enormous power of 8 polyphonic synths: meet KASPAR Supersynthesizer.

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

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

iSpark is an all-inclusive beat-making solution allowing to create rich tracks from A to Z while experiencing an unequaled workflow.

Borderlands Granular uses a technique called granular synthesis, which involves the superposition of tiny fragments of sound, or “grains," to create complex, evolving timbres and textures.

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.