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

Sing a beat and have it automatically and instantly converted to a drum machine beat!

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

Turn your iPad into an instrument of the violin family and play just like on a real instrument.

This is a synthesizer designed specifically for making Dubstep, DNB and EDM lead bass/synth.

Droneo is a synthesizer which drones with various timbres and precise intonations that blur the distinction between tones, timbres and chords. Its drone is great for meditation, centering, and calming,  walking and biking, but also can be set up for discordant noise and insect-like buzzing and chirping.

Phawuo is a monophonic virtual-analog synth with "dirty" oscillators. Good for bass sound and effects.

Arpeggist is a MIDI Note arpeggiator with a very flexible step matrix editor for programming and a unique “rolling dice” random arpeggio generator.

DrumKick for iPhone is the live performance drum app.

Trapezoid is an amazing Hammered Dulcimer app for the iPad.

PixiTracker 1BIT is a simple and fun tool to quickly create musical sketches, chiptunes and experiments with TRUE 1-BIT SOUND (like on old microcomputers).
No musical knowledge required.

An app which is a faithful digital re-creation of their circa 1980 analog cult-classic, The MINI-SYNTHESIZER.

Englitina is an authentic-sounding English Treble Concertina for the iPad.

iOS implementation of tunable Balinese Gamelan Gender Wayang.

Mimicking the layout of Hohner's iconic piano accordions, this intuitive virtual accordion is easy to play and sounds exactly like the real instrument.

SpringSound is a physical-modeling audio synthesizer that produces sounds by simulating interactions and vibrations of a set of activators and masses connected to springs.

No time to delve into the big and serious music apps? PixiTracker is what you need! It is a simple and fun tool to quickly create musical sketches, chiptunes and sound experiments.

AnalogKit lets you play, share, and build synths and effects in an incredible digital playground.

World of Bagpipes Pro is a five sounding sets of bagpipes for the iPad that are played using standard Scottish piping fingerings.

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

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