iOS Musician Apps (148) Supported Technologies is Audiobus, Instrument Sounds is Keyboards

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.

Playset is an intuitive drum and synth sequencer, designed for instant fun and live music.

7Xwave - a 7 track sample sequencer with synthesizer & animatable modulation features.

The second best sounding piano app in the App Store (after "Colossus Piano")!

SynthQ is a subtractive synthesizer with a customizable interface.

iSyn Poly is an electronic music studio for use with Apple iPad. It places an number of features including three analog synthesizers and a drum machine.

HOWL is a simple vocoder/synthesizer. It uses formants to simulate the human voice and a pitch-space keyboard to help you find interesting melodies.

DXi is a FM synthesizer application inspired by 80's most popular FM synthesizer.

Fed up with standardized presets and instruments? Feel lost in overcomplex filters and effects? Don’t wanna sound like everyone else? BLEASS is just the right instrument for you: it unleashes your inner musical creativity by bringing music production and performance to its very core: play, perform, compose beats and melodies in a new yet intuitive way thanks to its multitrack sequencer, synthesizer and drum machine.

Create EDM tracks to your own chords in minutes with SessionBand  - the chord-based audio loop app.

Portable Music Production Studio : create beats, compose whole tracks, sample, record, sequence, perform, mix and arrange your own music.

Combine 3 oscillators and a noise envelope to produce bright 80s-style synths, deep rich bass, punchy kicks and snares, a variety of screaming leads, and even breathy percussion.

Flynth is a synthesizer by Fingerlab, designed for musicality and easy use.

AutoArp turns your iPhone (or iPod Touch) into a musical instrument that is halfway between a traditional auto-harp zither and an arpeggiated analogue-style synth.

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.

Modulin is a customizable synthesizer. It allows for unique personal expression while providing a wide spectrum of visual feedback.

SpectrumGen is a spectral synthesizer with a simple and effective user interface.

A full-blown 6-Operator FM Synth on iOS, building on the legacy of the classic synthesizers that defined the digital era of the 1980s.

Specific sound morphing capabilities enables you to easily create complex evolving sound scapes, vocal phrases or stunning rhythms simply by choosing up to four sound sources from a predefined set.

Ravenscroft Grand is a piano sampler.