iOS Musician Apps (625) Supported Technologies is Audio Unit (AU)

Atomizer is a great plugin for adding beat synced glitch and stuttering, pitch shifting and various forms of filtering effects to your songs.

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

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

This is a AUv3 compatible audio compressor which can be used as plugin with your favourite DAW such as Cubasis, Meteor, Auria or GarageBand. It supports a modern graphical interface and presets with stereo meters for monitoring signal levels.

This app is a portable multitrack audio and MIDI recording studio featuring virtual instruments, editing with unlimited undo/redo, mixing, real-time effects, automation and much more!

This is an AUv3 compatible audio expander which can be used as a plugin with your favourite DAW such as Cubasis, Meteor, Auria or GarageBand. It supports a graphical interface and presets with stereo metering to monitor signal levels.

This audio shredder does just what is says, it shreds incoming audio (usually strings or lengthy sustained chords) into bite size pieces, adds an envelope and passes through a filter of choice.

This app is a music player that can process the following effects in real time: Time stretch (0.5-2.0 double speed), Pitch shift (-1 ~ +1 octave), 10 band equalizer.

Multieffect Audioprocessor. Seven studio quality effect modules for live usage and to enrich your iTunes music library.

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

Express yourself. Create your signature retro piano sound. Simple controls allow you to easily create an emotional vibe for your next hit record.

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

AudioLayer is a full featured open standard audio multi-sampler pushing the boundaries beyond what has been available even in the desktop music production worlds.

Import audio and instantly get a mastered version. Immediately hear a boost in volume and overall sweetening of the mix.

Import audio and instantly get a mastered version. Immediately hear a boost in volume and overall sweetening of the mix.

Studio quality reverb for AUv3 / Audiobus / Inter-app audio and songs from your iTunes music library.

You can think of auGEN X in two ways:  first, it is a handy utility for making audio test sounds, and second, it is a performable creative sound design tool.

Auria is a mobile music production system designed from the ground up for the iPad.

Auria is a mobile music production system designed from the ground up for the iPad.

auSCOPE X is the Smart Audio Oscilloscope that lets you see your sound. Its Two Channel Design lets you look at stereo audio waveforms in real time in pixel-accurate resolution.