iOS Musician Apps (503) Supported Technologies is Inter-App Audio (IAA)

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.

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.

Baervaag brings FM synthesis to the masses! An easy to use but still tweakable synthesizer, accessible to everyone.

Syndt is a polyphonic synthesizer with a lot of possibilities.

Spring Reverb models the sound and character of popular spring reverbs found in guitar amplifiers, popularized by Surf, Garage and Rockabilly music.

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.

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.

This is the free iPhone version of Hook. Hook is a new music performance, mashup, and DJ app for iPhone and iPad.

Berimbau ~ Capoeira - berimbau instrument simulator app.

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

Electro-Harmonix, a pioneer since 1968 in the field of sound effects pedals for musicians, has produced an app which is a faithful digital re-creation of their circa 1980 analog cult-classic, The MINI-SYNTHESIZER.

"Stravinski" is a melody generator that creates eight-bar piano melodies with adjustable complexity.