iOS Musician Apps (128) Supported Technologies is Inter-App Audio (IAA), Instrument Sounds is Keyboards

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

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

Xynthesizr is a streamlined yet capable 32-step matrix sequencer/monotimbral synthesizer with generative features and MIDI.

Galileo Organ 2 is a tonewheel and transistor organ app.

Kauldron is a synth with new modeling technology, combined with features help you create aggressive synth sounds full of rich analog textures with the fewest knob tweaks.

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

Synthesis without the spaghetti. From the creators of Grain Science and Sylo Synth (used by Gorillaz and The Flaming Lips).

Ravenscroft Grand is a piano sampler.

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

Thanks to it's true VA synthesis engine, the use of analog-modelled non-linear filters and extensive modulation options, Flowtones sounds warmer and more analog than digital romplers and wavetable-based synths.

MegaCurtisBig uses an unusual hybrid of wavetable and granular synthesis to create tones and timbres quite apart from the standard FM or subtractive synthesis fare.

iTuttle is a Subtractive Monophonic/Paraphonic Synthesizer.

Photophore is a unique instrument that uses flocks of up to 100 sound generators to create rich, organic synthesizer sounds.

Nanologue boasts a wide scope of inspiring sounds and professional sound effects, sporting a straightforward multi-touch interface and a great-sounding monophonic synthesizer.

The Optigan, short for Optical Organ, was a chord organ from the early 1970’s.

We painstakingly sampled the sound from every key and button of an authentic 1960’s electric chord organ to bring this timeless instrument to your device.

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.

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.

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