iOS Musician Apps (210) Instrument Sounds is Keyboards

Phase84 is a phase distortion synthesizer.

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

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.

Branches is a semi-modular synthesizer inspired by classics of the past. It runs both as a standalone instrument with support for external MIDI input or as a plugin (AUv3) in your favorite DAW app.

Accelerometer Synthesizer and Bluetooth MIDI Controller.

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

Grand Piano auv3 brings you the sound of the classic instrument to your iPad and iPhone.

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.

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

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

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

Play your iPad with external MIDI instruments, accordion-MIDI, soundenlargement for your stage-setup or as stand-alone for training and learning at home.

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

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

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

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

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.

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.

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

This is the official and the only Chamberlin app with sounds from the original library. It contains 8 sounds from both the Chamberlin library and an emulation of the sound characteristics of the M1 Chamberlin.