iOS Musician Apps (145) Supported Technologies is Audiobus, Instrument Sounds is Keyboards

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

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

Each of the 2 oscillators offers a selection of 5 waveforms: sawtooth and pulse waves are here, along with noise, triple saw and triple FM waves. There's also an additional sub-oscillator strapped into the master section for added oomph.

Poison-202 is a professional Vintage Midi 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.

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

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

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.

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.

TC-11 is the only fully programmable multi-touch synthesizer for the iPad.

Moebius Lab is a multimorphic sound processor which contains a synth, a varispeed stereo sample player, effects and LFOs that can modulate each parameter.

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

Colossus Piano sets a new standard in terms of realism, detail and overall quality of piano sounds on your iPad, iPhone and iPod touch.

Play with the sound of a full cathedral organ, created by award-winning sound designer Kurt Ader.

The second best sounding piano app in the App Store (after "Colossus Piano")!

Synclavier Go! is an authentic re-creation of the Synclavier® II Digital Synthesizer of 1980.

Borderlands Granular uses a technique called granular synthesis, which involves the superposition of tiny fragments of sound, or “grains," to create complex, evolving timbres and textures.

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.