iOS Musician Apps (52) Supported Technologies is Ableton Link, Instrument Sounds is Keyboards

SynthQ is a subtractive synthesizer with a customizable interface.

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

Portable Music Production Studio : create beats, compose whole tracks, sample, record, sequence, perform, mix and arrange your own music.

DRC is a virtual analog polyphonic synthesizer that recreates the characteristic sound of an analog synthesizer.

7Xwave - a 7 track sample sequencer with synthesizer & animatable modulation features.

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

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

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

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. 

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.

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.