iOS Musician Apps (148) Supported Technologies is Audiobus, Instrument Sounds is Keyboards

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

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

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

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

Flynth is a synthesizer by Fingerlab, designed for musicality and easy use.

Mynth is the new intuitive and powerful synthesizer by Fingerlab.

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

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

Professional Virtual Analogue Synthesizer.

Historic Harpsichords - Ruckers 1628 is a sampled recreation of one of the greatest and most valuable harpsichords of all time.

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

The Moog Model 15 App is the Moog modular synthesizer and synthesis educational tool.

The Minimoog Model D App is a mobile transmutation of the world’s first portable synthesizer, the Minimoog Model D®.

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.

Specific sound morphing capabilities enables you to easily create complex evolving sound scapes, vocal phrases or stunning rhythms simply by choosing up to four sound sources from a predefined set.

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.

For all creatures in the ocean of sound - Sonic textures from other worlds, Analog signature sounds,  Cut-through-the-mix leads and silkily smooth pads.

Additive synthesis is a sound synthesis technique that creates timbre by adding sine waves together. The timbre of musical instruments can be considered to consist of multiple harmonic or inharmonic partials or overtones.

ShockWave is a monophonic Synthesizer designed to bring modular style workflow to the world of iOS & AUv3 plugins.

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