iOS Musician Apps (54) Instrument Sounds is Keyboards, Free

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

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.

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.

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

A ribbon synthesizer consisting of a single oscillator, a frequency modulating LFO, cutoff, and a delay with time and feedback settings.

Mynth is the new intuitive and powerful synthesizer by Fingerlab.

iPhilicorda is an emulation of a vintage organ from the sixties, the Philicorda, created by the Dutch company Philips.

Synthetic is a virtual analog synthesizer.

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

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.

Endlesss is a free-to-use collaborative music studio with built in drums, synths, fx and much more. Easy to get started for the novice electronic musician with boundless opportunities for the seasoned creative.

Spectrum is a collection of Audio Unit ports of popular eurorack synthesizer modules.

Made for complex and organic sounds, Factory sports a big modulation matrix with all kinds of features to create a wildlife of sounds. A vast array of DSP is ready to play: Analog style oscillators and filters, but also different flavors of wavetable synthesis, Wavetable driven Waveguide resonators and a 3-FX-Chain in a dynamic signal flow.

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

Aparillo is an advanced 16 voice FM synth tailored for complex sound structures , majestic motions, moving and evolving soundscapes and atmospheres that are perfect for film, TV or games.

Mellowsound is an emulation of a legendary instrument, a keyboard sampler from the 60s used by many famous artists like the Beatles, David Bowie, Radiohead and many others, this mythic instrument is called The Mellotron.

Fed up with standardized presets and instruments? Feel lost in overcomplex filters and effects? Don’t wanna sound like everyone else? BLEASS is just the right instrument for you: it unleashes your inner musical creativity by bringing music production and performance to its very core: play, perform, compose beats and melodies in a new yet intuitive way thanks to its multitrack sequencer, synthesizer and drum machine.

Primer is a synth equipped with the most essential controls and nothing more.

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

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