iOS Musician Apps (158) Supported Technologies is Audiobus, Instrument Sounds is Keyboards

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

Ravenscroft Grand is a piano sampler.

Portable Music Production Studio : create beats, compose whole tracks, sample, record, sequence, perform, mix and arrange your own music.

Poison-202 is a professional Vintage Midi Synthesizer.

Lagrange synthesizer has two oscillators, a noise generator and two filters that can be selected from various algorithmic models.

Redshrike is a polyphonic synthesizer that combines a resonator designed to make more complicated sound creation and subtraction synthesis with an FM oscillator that creates violent distortion.

Lorentz is not only a live-oriented analog modeling synthesizer, but also has a resonator that makes metallic and aggressive sounds.

Laplace is a physical-modeling synthesizer based on resonator synthesis that makes it easy to create bowed string, plucked string, blown pipe and metallic sounds.

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

This synthesizer emulates male voice vowels in a unique way.

Tines emulates an electric piano.

Playset is an intuitive drum and synth sequencer, designed for instant fun and live music.

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

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.

HOWL is a simple vocoder/synthesizer. It uses formants to simulate the human voice and a pitch-space keyboard to help you find interesting melodies.

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

Combo Organ Model V is a musical keyboard app for iPad/iPhone/iPod touch that simulates the electric transistor organ, is called a Combo Organ. It was a big success in the 1960s.

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

Phawuo is a monophonic virtual-analog synth with "dirty" oscillators. Good for bass sound and effects.

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