iOS Musician Apps (227) Instrument Type is Synth

SoundScaper is an experimental sound mini lab for creating unusual soundscapes, atmospheric textures, drones, glitches and noises based on circuit bending principles.

Crystal Synth XT is a full featured semi-modular synthesizer, ideally suited to creating lush evolving soundscapes.

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

NFM is an intuitive FM synthesizer with a streamlined interface.

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

Dagger is an analog modeling paraphonic synth with a big, raw analog sound.

Syntorial is a synthesizer training app, that will teach you how to program synth patches by ear.

iPhilicorda is an emulation of a vintage organ from the sixties, the Philicorda, created by the Dutch company Philips.

PixiTracker 1BIT is a simple and fun tool to quickly create musical sketches, chiptunes and experiments with TRUE 1-BIT SOUND (like on old microcomputers).
No musical knowledge required.

Ruismaker FM's simple, yet flexible synthesis engine lets you create anything from snaredrums, kickdrums and spacy toms to weird and unconventional percussive sounds and effects.

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

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

These instruments are NOT sample libraries. Unlike sampling, which uses recordings to replicate the sound of an instrument, physical modeling doesn’t generate a sound as such but creates the conditions for the system to create it according to an external input.

ChowKick is a kick drum synthesizer based on creative physical modelling of old drum machine circuits. The synth contains
useful parameters for adjusting the tone and fundamental frequency of the synthesized kick drum.

SWAM Solo Brass is a Flugelhorn sampler.

SWAM Tuba Eb is a tuba sampler.

SWAM French Horn Bb is a french horn sampler.

SWAM French Horn F is a french horn sampler.

SWAM Euphonium is a brass sampler.

SWAM Trumpet C is trumpet sampler.