iOS Musician Apps (152) Supported Technologies is Audiobus, Instrument Sounds is Keyboards

Accordion Vintage is a virtual sampled instrument based on an original Italian accordion made in Castelfidardo in the 60s years.

Electric Vintage is a virtual instrument based on a reproduction of a famous vintage electric piano (1976).

Multilevel Interactive Sound Synthesizer. Up to 240 Frequency Modulation Oscillators or simple Wavetable Additive.

mood is a personal interpretation of the legendary Analog Synthesizer by Eugenio Giordani

Redshrike is a polyphonic synthesizer that combines a resonator designed to make more complicated sound creation and subtraction synthesis with an FM oscillator that creates violent distortion.

Designed to deliver authentic dub sounds and effects, iTALIZER at it's heart is a monophonic synthesizer paired with an authentic tape echo emulation.

ShockWave is a monophonic Synthesizer designed to bring modular style workflow to the world of iOS & AUv3 plugins.

Agonizer is a monophonic synthesizer designed in collaboration with YouTuber and synth bass expert Jakob Haq of haQ attaQ

VOLT is a virtual analog synthesizer designed to create classic synth sounds while emphasising expressive play.

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

AudioKit Synth One is a completely free & open-source professional iOS Synthesizer. 

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.