iOS Musician Apps (115) Supported Technologies is Inter-App Audio (IAA), Instrument Type is Synth

Groovebox is a free music studio app packed with synths and drum machines.

The hybrid synthesis algorithm on which Addictive Pro is based provides you with efficient means for easy control of complex sounds far beyond usual sound synthesis methods.

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

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

Poison-202 is a professional Vintage Midi Synthesizer.

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.

With the special lightweight version of SynthScaper LE you can easily create and modify your own multi-timbral pads and atmospheric soundscapes.

A creative bass music synth sequencer for electro melodies or dirty phat & funky acid techno basslines.

SynthMaster One iOS is the mobile version of KV331 Audio's SynthMaster One software synthesizer.

Wotja X is a new cross-platform interface for the 'Wotja Generative Music System'.

DRC is a virtual analog polyphonic synthesizer that recreates the characteristic sound of an analog synthesizer.

Mersenne is a melodic percussion synthesizer that combines two FM synthesis modules, a noise generator and a resonator.

With this instrument you can transform any sound into a playable musical instrument via a technique known as Granular Synthesis.

Thanks to it's true VA synthesis engine, the use of analog-modelled non-linear filters and extensive modulation options, Flowtones sounds warmer and more analog than digital romplers and wavetable-based synths.

Cyclop is a monophonic synthesizer. It does one thing very well: delivering cutting-edge digital madness at the low end of the frequency spectrum.

Roxsyn is a metamorphic guitar synthesizer.

Cube Synth is a groundbreaking new software instrument giving you the power and flexibility of additive synthesis together with easy editing and morphing capabilities.

Kauldron is a synth with new modeling technology, combined with features help you create aggressive synth sounds full of rich analog textures with the fewest knob tweaks.

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

Synthesizer specially designed for creating and experiments with ambient soundscapes in wide range from noises to melodic instruments and everything in between.