iOS Musician Apps (115) Supported Technologies is Inter-App Audio (IAA), Instrument Sounds is Keyboards

Electro-Harmonix, a pioneer since 1968 in the field of sound effects pedals for musicians, has produced an app which is a faithful digital re-creation of their circa 1980 analog cult-classic, The MINI-SYNTHESIZER.

Englitina is an authentic-sounding English Treble Concertina for the iPad.

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

This intuitive virtual instrument features a super responsive  fingerboard that plays and sounds like the traditional instrument in the most common two-row tunings of B/C, C#/D, and D/G, as well as an extended B/C+ layout with four chromatic buttons on a partial third row.

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.

Tardigrain is a granular synthesizer. Sounds are created by taking smaller fragments of a sample and playing them back in a non linear fashion, with settings for grain size, direction, step size and more.

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

The hybrid synthesis algorithm on which Addictive Pro is based provides you with efficient means for easy control of complex sounds far beyond usual sound synthesis methods.

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

SynthQ is a subtractive synthesizer with a customizable interface.

SunVox is a small and fast cross-platform modular synthesizer with pattern based sequencer (tracker).

AutoPad is an app for musicians that allows you to play ambient pad loops.

With EGSY01 you can create sounds, from modern ones to vintage analog ones, working with arpeggiator, step sequencer and FM, addictive and subtractive synthesis.

Shoom is an expressive XY pad synthesizer. Or, more precisely, three identical synthesizers in one app.

The unique dynamic wavetable synthesis allows you to explore an unprecedented wide range of sonic territory.

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

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

For all creatures in the ocean of sound - Sonic textures from other worlds, Analog signature sounds,  Cut-through-the-mix leads and silkily smooth pads.

Ribbons is an extraordinarily fun and expressive musical instrument for iPad.

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