iOS Musician Apps (564) Supported Technologies is Inter-App Audio (IAA)

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.

The Fiddlicator is an audio tool which can simulate various kinds of acoustic environment by the convolution of the input signal with a custom impulse response.

Want to sing as a  popstar on AutoPitch, live-pause your voice, talk with a deep robot voice all at once? Voice Synth does all this and more, all based on your own unique voice.

Want to sing as a popstar on AutoPitch, live-pause your voice, talk with a deep robot voice all at once? Voice Synth does all this and more, all based on your own unique voice.

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.

BIAS FX 2 Mobile transforms your mobile device into the ultimate all-in-one guitar effects processor, letting you explore hundreds of premium amps, pedals, and studio racks to create your dream guitar tone.

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.

A creative bass music synth sequencer for electro melodies or dirty phat & funky acid techno basslines.

Real time vocal processor + recording app.

Real time vocal processor + recording app.

VocaLive offers singers and vocalists a suite of real-time professional vocal effects along with a recorder/DAW for studio quality sound (via in-app purchase), a looper for creative vocal experimentation (via in-app purchase), plus the ability to re-mike the input microphone with the Mic Room feature to add the sound and color of coveted studio microphones, all in a portable package (via in-app purchase).

iStatic generates continuous visual and aural noise. Use it to mask distracting background sounds, when you're at work, reading on the train, trying to sleep, or if you just loathe silence.