iOS Musician Apps (206) Instrument Sounds is Keyboards

Continua is a three-oscillator / dual-filter six-voice virtual analog synth, with fully polyphonic modulation sources and built-in custom-designed effects, for everything from complex, evolving chill-out soundscapes to New Wave synth stabs.

VOSIS is a synthesizer that uses scanned synthesis of greyscale image pixel data from photos or live video input. It is also a tool for image audification/sonification and visual music performance.

Scythe is a new iPad synthesizer that makes designing new sounds easier than ever before.

LayR is a polyphonic, multi-timbral synthesizer for iPad and iPhone, delivering up to 256 voices of rich, multi-layered and textured sounds.

Neo-Soul Keys® Studio 2 is the next evolution in electric piano sounds and effects from Gospel Musicians, which features a complete architecture overhaul using our new Pure Synth® structure and licensed VKFX effects.

miRack is a Eurorack-style modular synthesizer. It aims to provide user experience and audio quality close to those of the real Eurorack hardware.

Turbosounds for Accordion provides many special sounds of the Oberkrainer folk music.

Poison-202 is a professional Vintage Midi Synthesizer.

Combine 3 oscillators and a noise envelope to produce bright 80s-style synths, deep rich bass, punchy kicks and snares, a variety of screaming leads, and even breathy percussion.

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.

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.

The MKSensation Xtreme is a continuation of our famous MKSensation plugin library. At its core it represents the highest quality and the most accurate sampled representation of the classic MKS-20 piano module.

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

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.

Professional Virtual Analogue Synthesizer.

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

Hammond B-3X is a next-level tonewheel organ app.  We’ve partnered with the Hammond Organ Company and Suzuki Musical Instruments to create the most immersive, authentic and powerful B-3 experience for use live on stage or as a plug-in inside recording apps.

Pure Synth® Platinum is a full-blown rompler/synthesizer for your iOS device. Neither the synth engine or the sample engine is an afterthought: Both engines are fully capable and feature-rich. The romper section contains a well rounded assortment of analog, synth, string, digital, and acoustic instruments.

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

Grand Piano for iPad and iPhone.