iOS Musician Apps (50) Instrument Sounds is Keyboards, Free

LCW-2 mono is a little complicated synthesizer based on ToyTone and implements several experimental functions.

ToyTone is simple synthesizer. Select waveform, and move the slider. Tap the pad at bottom, you can play.

MonoStereo Synthesizer is a free full-featured analog mono synth with oscillator panning.

SynthMaster One iPhone is KV331 Audio's first full blown synth app for iPhone. It's a powerful wavetable synth with an intuitive workflow. With its simple layout, rich wavetable/waveform content and inspiring factory presets library, designing new sounds with SynthMaster One iPhone is a joy.

SynthMaster Player for iPad is the MOBILE PLAYER VERSION of the award winning SynthMaster software synthesizer.

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.

Beatonal is an accessible music making app, enabling you to easily create and share your musical ideas using the built-in synthesizers and drum machine.

bent.fm is a full FM model of a circuit-bent synthesizer.

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.

Dedicated monophonic synth bass synthesizer.

Electric piano sampler.

RD4 - Groovebox is a music making app with virtual analog synthesizers, drum machines and effects.

Grand Piano for iPad and iPhone.

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.

Accelerometer Synthesizer and Bluetooth MIDI Controller.

CHAiOS SYNTH 2 is a synthesizer/melody generator that creates unique melodies with just one tap.

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

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

A Simple Ad-Free Piano-like Musical Keyboard. Easy to Play, Good Response and Small Application Size. Just Play the Instrument. The app doesn't use sampled real sounds but use FM synthesis. It sounds like piano though it's false.