iOS Musician Apps (120) Supported Technologies is Inter-App Audio (IAA), Instrument Sounds is Keyboards

KQ MiniSynth is a polyphonic modular synthesizer.

FM TiNES is an electric piano library dedicated to the most beautiful FM electric pianos ever made.

Just a Toy Synthesizer. Included: 2 Oscillators, LPF, Delay effector, Ribbon controller.

SynthMaster One iOS is the mobile version of KV331 Audio's SynthMaster One software synthesizer.

Elsa is a retro style sampling keyboard with tempo based looping.

Shape is a polyphonic synthesiser allowing the user to draw the shape of the oscillator waveform.

This synthesizer emulates male voice vowels in a unique way.

Tines emulates an electric piano.

Syndt is a polyphonic synthesizer with a lot of possibilities.

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.

Baervaag brings FM synthesis to the masses! An easy to use but still tweakable synthesizer, accessible to everyone.

Epic 64-voice Virtual Analog / PCM iPad Synth. Inspired by the Digital Synths of the 80s and 90s.

Free iPad instrument featuring the classic sounds of famous 80s FM Synthesizers.

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.

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.

A matrix-controlled arpeggiator designed to play with your thumbs.

Harness the enormous power of 8 polyphonic synths: meet KASPAR Supersynthesizer.

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

Cube Synth is a groundbreaking new software instrument giving you the power and flexibility of additive synthesis together with easy editing and morphing capabilities.

Tera Synth is a Modular Analog Synthesizer.