iOS Musician Apps (116) Supported Technologies is Inter-App Audio (IAA), Instrument Type is Synth

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

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

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.

PixelWave is an experimental synth with old school pixel interface.

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

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.

CHAiOS SYNTH 2 is a synthesizer/melody generator that creates unique melodies with just one tap.

LCW-2 mono is a little complicated synthesizer based on ToyTone and implements several experimental functions.

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.

Tone generator with two Oscillators and one Noise generator, each with individual lowpass filters.

Musyc is a fun and innovative music application where touch turns into music.

TweakyBeat is a drum machine synth.

ToyTone is simple synthesizer. Select waveform, and move the slider. Tap the pad at bottom, you can play.

FM4 is a four operator FM synthesizer for iPad.

Hexaglyphics is a 13-bit noise generator with an interface based on an original alphabet for hexadecimal values.

Jam Synth is a fully featured monophonic guitar synthesizer / multi FX for iOS.