iOS Musician Apps (521) Supported Technologies is Inter-App Audio (IAA)

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

Complete iOS Guitar Amps and Effects

Explore unreal synthesis with the most unique performance control on iOS! TC-Performer presents a multi-touch performance environment unlike any other synthesizer.

midiSTEPs is a powerful and fun MIDI step sequencer app that sends MIDI note and CC messages to other music apps and external synthesizers.

iSpark is an all-inclusive beat-making solution allowing to create rich tracks from A to Z while experiencing an unequaled workflow.

iSEM is a recreation of the classic 1974 Oberheim SEM (Synthesizer Expander Module), one of the world's first self-contained synthesizer modules and the first to bear the "Oberheim Electronics" name.

Annoydio jr has a grid of pads which you can assign, manipulate, and play sounds.

Navichord is a modern MIDI controller, working with software and hardware synths.

With this instrument you can transform any sound into a playable musical instrument via a technique known as Granular Synthesis.

Music Studio offers a complete music production environment with features and a sound quality previously only known to desktop applications and expensive audio hardware.

Music Studio offers a complete music production environment for the iPad/iPhone/iPod Touch with features and a sound quality previously only known to desktop applications and expensive audio hardware.

Drum Loops HD has over a 1000 real drum loops. A perfect partner for GB, loops and fills follow GB tempo.

Make and share music in seconds. Simply tap to RECORD, PLAY and SHARE with music makers all over the world.

We discovered this one-of-a-kind instrument collecting dust in our favorite local music shop. It's made out of hemlock, light as a feather, and sounds like elven magic.

The JAF Collection is an exciting set of digital modeled classic analog synthesizer filters (VCFs) for iOS.

Gestrument Pro takes everything we loved about Gestrument and improves on its original functionality while introducing a host of new features such as multi-touch, recordable automations, advanced scale editing and our unique system of highly tweakable modular generators that define the pitches and rhythms.

High quality real time reverb audio effect, for everything between small rooms, resonators, and infinitely large spaces.

A 4-band parametric stereo equalizer for everything between subtle frequency enhancements and agressive boosting/cutting or special resonator effects.

A stereo delay audio effect, suitable for everything from clean digital delays to filthy dub echoes, flangers and broken cassette tapes.

A highly tweakable stereo dynamics processor with noise gate, compressor/expander with external side-chain input, and limiter/clipper.