iOS Musician Apps (125) Supported Technologies is Inter-App Audio (IAA), Instrument Type is Synth

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

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

DRUMLAB brings a new approach to the Drum Machine by allowing you to play with both Samples & Synthesis drum sounds.

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.

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

Dazibao is a polyphonic synthesizer programmed by an innovative interface : you create several tones, then you arrange them on several time lines.

Arctic Pro Synthesizer / Vocoder is a modern subtractive synthesizer.

Phase84 is a phase distortion synthesizer.

Syntronik is IK’s cutting-edge synthesizer that features the sound of the most iconic machines to ever grace the planet.

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

Shape is a polyphonic synthesiser allowing the user to draw the shape of the oscillator waveform.

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

Esoteric Synth is a unusual generator of synthetic sound events. The synthesis is based on 5 oscillators which are intersected through an multiple amplitude modulation and multiple frequency modulation making  an high sound variability. This App is suitable to generate complex sound textures, glitches, noises, sound clouds, sound drones, point sounds and more.

iMini is a recreation of the legendary synthesizer created by Bob Moog in 1971, one of most iconic synthesizers of all time.

When a punchy, fat sound is demanded, look no further. iProphet recreates the unique sound of the classic Sequential Circuits Prophet VS synthesizer.

Nanologue boasts a wide scope of inspiring sounds and professional sound effects, sporting a straightforward multi-touch interface and a great-sounding monophonic synthesizer.

Professional Virtual Analogue Synthesizer.

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

Explore unreal synthesis with the most unique performance control on iOS! TC-Performer presents a multi-touch performance environment unlike any other synthesizer.