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

SKIIID is a new drum-synthesizer with 4 expressive pads and the possibility to morph between them.

Nanologue boasts a wide scope of inspiring sounds and professional sound effects, sporting a straightforward multi-touch interface and a great-sounding monophonic synthesizer.

The Optigan, short for Optical Organ, was a chord organ from the early 1970’s.

Even if you've only played air guitar, ThumbJam lets you sound like a pro.  Pick an instrument and jam - with all the scales to choose from you'll never hit a wrong note.

DrumJam is a whole new world of percussion and drums for the iPad, iPhone and iPod touch.

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.

We painstakingly sampled the sound from every key and button of an authentic 1960’s electric chord organ to bring this timeless instrument to your device.

This application is much more than just a metronome, is a flamenco drum machine with stereo sound and percussion instruments.

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.

Just a Toy Synthesizer. Included: 2 Oscillators, LPF, Delay effector, Ribbon controller.

KQ MiniSynth is a polyphonic modular synthesizer.

SDS-x is a "nine pads" style drum module that lets you easily use samples alongside your drum kit.

AutoPad is an app for musicians that allows you to play ambient pad loops.

TweakyBeat is a drum machine synth.

Create 100% synthesized electronic drum loops that sound alive, noisy and musical.

A 6 channel drum synthesiser & sequencer for creating beats, electro rhythms or just wacky drum synth blips.

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

Guitarscaper is a guitar sampler.