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

Percussion Loops HD is a vast library with hundreds of percussion loops and samples, played by a pro and built for iOS only.

This is the free trailer version for Percussion Loops HD, percussion sampler for ios

Phase84 is a phase distortion synthesizer.

PhaseRings is a musical instrument for performing expressive music with touch gestures. Anyone can create a beautiful piece of music with our sound schemes and generative composition engine.

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

Photophore is a unique instrument that uses flocks of up to 100 sound generators to create rich, organic synthesizer sounds.

Piano For You is suitable for professional musicians as well as for learning piano.

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.

Pianoscaper is a generative music app and virtual instrument that’s easy on the ears and fun to play.

PixelWave is an experimental synth with old school pixel interface.

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.

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.

Pixound provides a deep musical experience that lets you instantly create music using any picture.

Poison-202 is a professional Vintage Midi Synthesizer.

PolyHarp is a virtual musical instrument and a thought experiment. It's a testbed for harmonic theory as well as a great multi touch simulator of the good old "idiot zither" you have in the attic.

For all creatures in the ocean of sound - Sonic textures from other worlds, Analog signature sounds,  Cut-through-the-mix leads and silkily smooth pads.

Pure Acid is a bassline synthesizer and drum machine in one app.

Pure Piano is a professional, multi-sampled concert grand piano with a unique Morph Pad that allows you to explore a multitude of sounds ranging from mellow and intimate tones to surreal, cinematic textures.

Pure Synth® Platinum is a full-blown rompler/synthesizer for your iOS device. Neither the synth engine or the sample engine is an afterthought: Both engines are fully capable and feature-rich. The romper section contains a well rounded assortment of analog, synth, string, digital, and acoustic instruments.

Quanta is a six-voice granular synthesizer for iOS11+ in both standalone (with Inter-App Audio) and AudioUnit V3 formats.