iOS Musician Apps (284) Supported Technologies is Inter-App Audio (IAA), Type is Instrument

Brazilian Drum Machine is a complete brazilian rhythm section in your device.

SynthQ is a subtractive synthesizer with a customizable interface.

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.

Berimbau ~ Capoeira - berimbau instrument simulator app.

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.

This app reproduces the functionality of Casio’s best-selling CZ-series models, such as the CZ-101 (first released in 1984), and also includes new functions.

LoAdKer is a novel rhythm event generator that is based on fractal sequences.

Ribbons is an extraordinarily fun and expressive musical instrument for iPad.

Vox Unit is a vocoder. You speak in the microphone, you play on the keyboard, and choir and vocal effects are produced.

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

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

Respiro Wind-Synth for iOS is a free standalone app (IAA) and AUv3 plugin synthesizer giving you access to six fully functional wind instruments for your device.

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

This intuitive virtual instrument features a super responsive  fingerboard that plays and sounds like the traditional instrument in the most common two-row tunings of B/C, C#/D, and D/G, as well as an extended B/C+ layout with four chromatic buttons on a partial third row.

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

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.

Automatic song generation, flexible song editing.

With a library of editable patterns, loops, and fills, Drum Session is a very fast, simple way to put together a complete drum track.

RMX-1000 for iPad is a tactile iPad app that lets you add high-quality FX to tracks in your iTunes library.

dot Melody is a multidimensional graphic arpeggiator, sequencer, and drum machine.