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

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.

Based on Hohner's iconic Corona Classic diatonic accordion, this virtual accordion app plays in all five of the most popular tones: EAD (Mi), FBbEb (Fa), GCF (Sol), ADG, and BbEbAb.

Mimicking the layout of Hohner's iconic piano accordions, this intuitive virtual accordion is easy to play and sounds exactly like the real instrument.

This intuitive virtual instrument features a super responsive  fingerboard that plays and sounds like the traditional instrument in the most common two-row tunings of B/C, C#/D, and D/G, as well as an extended B/C+ layout with four chromatic buttons on a partial third row.

Mimicking the layout of Hohner's iconic chromatic button accordions (CBA), both B-System (Bayan) and C-System, this intuitive virtual accordion is easy to play and sounds exactly like the real instrument.

Groovebox is a free music studio app packed with synths and drum machines.

Geo Synthesizer is a musical instrument and MIDI controller.

Galileo Organ 2 is a tonewheel and transistor organ app.

FM4 is a four operator FM synthesizer for iPad.

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

Make music in seconds. Share, remix and collaborate with music makers all over the world.

Esoteric Synth is a unusual generator of synthetic sound events. The synthesis is based on 5 oscillators which are intersected through an multiple amplitude modulation and multiple frequency modulation making  an high sound variability. This App is suitable to generate complex sound textures, glitches, noises, sound clouds, sound drones, point sounds and more.

Englitina is an authentic-sounding English Treble Concertina for the iPad.

Electric Vintage is a virtual instrument based on a reproduction of a famous vintage electric piano (1976).

With EGSY01 you can create sounds, from modern ones to vintage analog ones, working with arpeggiator, step sequencer and FM, addictive and subtractive synthesis.

Elsa is a retro style sampling keyboard with tempo based looping.

DXi is a FM synthesizer application inspired by 80's most popular FM synthesizer.

This app reproduces the functionality of Casio’s best-selling CZ-series models, such as the CZ-101 (first released in 1984), and also includes new functions.

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.