iOS Musician Apps (317) Supported Technologies is Inter-App Audio (IAA), Type is Instrument

A Simple Ad-Free Piano-like Musical Keyboard. Easy to Play, Good Response and Small Application Size. Just Play the Instrument. The app doesn't use sampled real sounds but use FM synthesis. It sounds like piano though it's false.

Backpack Studio allows you to easily create professional sounding,  studio quality recordings -  from anywhere in the world.

Berimbau ~ Capoeira - berimbau instrument simulator app.

DRC is a virtual analog polyphonic synthesizer that recreates the characteristic sound of an analog synthesizer.

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

Chordy 2 is a chord player app for music creators.

Ravenscroft Grand is a piano sampler.

Portable Music Production Studio : create beats, compose whole tracks, sample, record, sequence, perform, mix and arrange your own music.

iOS implementation of tunable Balinese Gamelan Gender Wayang.

A tunable iOS implementation of Balinese Gender Wayang.

The Beat Station is a rhythm machine for practicing guitar, bass, keyboard, or any type of instrument, and also brings to production and live performance the ease of not requiring live drums and a drummer.

Epic 64-voice Virtual Analog / PCM iPad Synth. Inspired by the Digital Synths of the 80s and 90s.

Xynthesizr is a streamlined yet capable 32-step matrix sequencer/monotimbral synthesizer with generative features and MIDI.

Musyc is a fun and innovative music application where touch turns into music.

DM1 is an advanced vintage Drum Machine.

DM1 is an advanced vintage Drum Machine.

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

SynthQ is a subtractive synthesizer with a customizable interface.

Slice and sequence your loops with a matrix of markov-chain connections. Introduce order with the probability based coin-flipping pattern sequencer.