iOS Musician Apps (552) Supported Technologies is Audiobus

Based on Hohner's iconic Corona Classic diatonic accordion, this virtual accordion app plays in all five of the most popular tones: EAD (Mi), FBbEb (Fa), GCF (Sol), ADG, and BbEbAb.

Trapezoid is an amazing Hammered Dulcimer app for the iPad.

Studio quality reverb for AUv3 / Audiobus / Inter-app audio and songs from your iTunes music library.

Dual Digital Delay FX. Two separate (stereo) delay lines allow for a wide range of effects ranging from basic slapback and ping-ping type echos to complex modulations and soundscapes.

Guide Track is the primary go-to tool when you want to quickly create a precise guide track for recording when you know the song structure and the style.

Simple Music is a novel arrangement of notes to visually and easily provide for playing music. Sliding your finger from any point always produces chords.

sequencism is a music sketchbook tool that allows the creation of short and simple pieces of music.

Music Studio offers a complete music production environment for the iPad/iPhone/iPod Touch with features and a sound quality previously only known to desktop applications and expensive audio hardware.

Create your own Rock and Metal tracks in minutes with this special dedicated Rock edition of SessionBand – chord-based audio loop app.

Create piano backing tracks for any song in minutes with the chord-based audio loop app.

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

The concert quality piano app.

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

Rhythm Lab is a comprehensive rhythm app that tests your skill and coordination.  There are four types of drills: single, double, drum, and drum kit.

The ELECTRIBE reborn in an even smaller form A full-fledged rhythm machine for iPhone.

For all creatures in the ocean of sound - Sonic textures from other worlds, Analog signature sounds,  Cut-through-the-mix leads and silkily smooth pads.

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.

"QuantiChord" is a MIDI effect that generates chords from incoming notes and quantizes the results to a pre-defined scale. It can be used as a standalone application or as an Audio Unit MIDI effect plug-in.