iOS Musician Apps (318) Supported Technologies is Inter-App Audio (IAA), Type is Instrument

DM1 is an advanced vintage Drum Machine.

DM1 is an advanced vintage Drum Machine.

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

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

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

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.

A tunable iOS implementation of Balinese Gender Wayang.

iOS implementation of tunable Balinese Gamelan Gender Wayang.

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

Ravenscroft Grand is a piano sampler.

Chordy 2 is a chord player app for music creators.

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

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

Berimbau ~ Capoeira - berimbau instrument simulator app.

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

GarageBand is a DAW by Apple.

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.

SK-51 is an all-in-one keyboard inspired by the Casio SK-1 (and his brother the SK-5), a 8-bit lo-fi keyboard from the 80’s, with sampling features and onboard drum machine.
Called the poor man's sampler at the time, this keyboard was a real instrument and has been used by many major artists such as Fatboy Slim, Portishead, Autechre and Nine Inch Nails.

Mellowsound is an emulation of a legendary instrument, a keyboard sampler from the 60s used by many famous artists like the Beatles, David Bowie, Radiohead and many others, this mythic instrument is called The Mellotron.