iOS Musician Apps (567) Supported Technologies is Audio Unit (AU)

Time Machine is a plugin that allows you to go back to the days of vinyl and tube amplification. 

JAX Stereo Tool is a visual Audio Unit plugin for manipulating the stereo image of digital audio.

ToneBoosters Equalizer is a dynamic equalizer plug-in.

The MODEL ONE is a selected, fine-tuned general purpose (transistor ladder model) filter with the ability of strong self oscillation. The cutoff slope is approximately 24dB. It can be switched to low pass or high pass processing mode.

MicroPitch is a fine-resolution pitch shifter for subtle tone fattening, plus delays for interesting slap back effects.

The Vocal Harmonizer plugin was specifically designed for adding harmonies and basic auto tuning frunctionality to recorded vocal lines. It is specifically tuned to the frequency range of the human voice and tracks the incoming vocal frequency attempting to tune to the desired musical key and mode of your song.

Octachron is a flexible 8 Track MIDI Drum Sequencer with rich modulation and sequencing capabilities.

Velocity Keyboard is a powerful velocity-sensitive MPE compatible MIDI controller.

iPulsaret is a new real-time software capable of all time-domain varieties of granular synthesis.

This is actually a trio of effects all rolled into a single package which are ideally suited but not limited to voice recordings (De-Esser, a Vocal Doubler and a Noise Gate).

FAC Bandit is a multiband audio effect that splits the audio signal into three bands of frequencies defined by adjustable crossover points.

RM-1 is a multi purpose audio effect designed around various types of modulation.

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.

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.

A different kind of drumsynth. Ruismaker Noir presents a hybrid approach between synthesized drums and rhythmic bass sounds - coming together in the fully integrated step sequencer.

SquareSynth is a hybrid analog/8bit style synthesizer. It takes features from the NES console, and the Commodore 64 personal computer.

RE-1 is a full featured virtual Tape Machine capable of delivering authentic tape based echo and chorus effects but it doesn't stop there. With it's interactive tape player, sample, loop and overdub features it's possible to use it like a virtual tape recorder, sample player, looper or simply as a master effect.

Woodpressor is a high-end audio compressor. It is both a standalone app supporting IAA (Inter-App Audio) and an AUv3 audio unit plugin.

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

Kronecker is a synthesizer with a mechanism to make sounds many times like a rhythm machine each time you press a keyboard.