iOS Musician Apps (205) Instrument Sounds is Keyboards

The Optigan, short for Optical Organ, was a chord organ from the early 1970’s.

SpectrumGen is a spectral synthesizer with a simple and effective user interface.

PixelWave is an experimental synth with old school pixel interface.

AutoArp turns your iPhone (or iPod Touch) into a musical instrument that is halfway between a traditional auto-harp zither and an arpeggiated analogue-style synth.

Modulin is a customizable synthesizer. It allows for unique personal expression while providing a wide spectrum of visual feedback.

Photophore is a unique instrument that uses flocks of up to 100 sound generators to create rich, organic synthesizer sounds.

With this instrument you can transform any sound into a playable musical instrument via a technique known as Granular Synthesis.

iSEM is a recreation of the classic 1974 Oberheim SEM (Synthesizer Expander Module), one of the world's first self-contained synthesizer modules and the first to bear the "Oberheim Electronics" name.

The VTines instrument is based on real samples of a 1978 Fender Rhodes© Mark1 fully restored with clean pickups and tines, new grommets, new hammer tips, etc, so it is the best an electric piano can sound.

Triqtraq LE is a free limited edition of the critically acclaimed music app Triqtraq - Jam Sequencer.

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

Compose original beats in the smooth one-window interface, record sound tweaks in realtime and sample your own sounds for direct use.

Nanologue boasts a wide scope of inspiring sounds and professional sound effects, sporting a straightforward multi-touch interface and a great-sounding monophonic synthesizer.

When a punchy, fat sound is demanded, look no further. iProphet recreates the unique sound of the classic Sequential Circuits Prophet VS synthesizer.

iMini is a recreation of the legendary synthesizer created by Bob Moog in 1971, one of most iconic synthesizers of all time.

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.

4Waves Synth AUv3 is an easy to use synthesizer with a powerful sound.

Accelerometer Synthesizer and Bluetooth MIDI Controller.

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.

AutoPad is an app for musicians that allows you to play ambient pad loops.