iOS Musician Apps (35) Supported Technologies is Audio Unit (AU), Effect Type is Distortion, Drive etc.

Bit Maestro is an AUv3 bit crusher that goes beyond regular bit rate reduction, allowing you to affect and manipulate your sound at the individual bit level.

The WoodLofier is both a standalone app and AUv3 plugin which combines 4 different sections to make your sound more lofi or to add some creative twist  : filtering (and Sample Rate reduction), a Tape wobble unit, Noise addition and Crushing (clipping, bit reduction and saturation).

From subtle tube-style saturation to full-on mangled wavetable distortion, Grind is a Swiss Army Knife of sound design.

FilterMorph plugin takes the concept of a traditional audio filter and pairs it with overdrive, bit crunching and tape delay to perform some incredibly neat real-time or beat synced automation effects.

Warm Distortion is Audio Unit effect app that creates nice distortion sound.

This is NOT a digital reproduction of vintage gear or old crappy distortion algorithm. Fat Lady is completely new approach to the guitar sound.

Dystopia is an experimental distortion for sound transfiguration, it is composed of 7 AUv3 plugins effect.

The Black Distortion plugin modeled on RAT2* distortion pedal will be your go-to distortion plugin for every recording, whether it’s rock, blues, punk, or jazz.

Warm Distortion is real time distortion audio effect.

Whole guitar sound with innovative distortion effect, speaker simulation and reverb.

Jazz, Rock, Metal, no matter what genre you play. NA 808 Overdrive Pro little magic box plugin will prove to be essential to your collection.

Clon Minotaur Transparent Overdrive is modeled on The Klon Centaur* a guitar overdrive pedal developed between 1990 and 1994. The Clon Minotaur is characterized as a "transparent" overdrive, meaning it adds gain to the signal without significantly altering the tone of the guitar.

Fasten your seat belt, the Big Bull is Here. You play Rock, Heavy Metal, Hard rock, Hardcore, Whatever Metal, Whatever Rock, even Blues ? This amp is for you ! You have some wallpaper to peel, this app is for you too.

DD-21 is a distortion, fuzz, overdrive, saturation AUv3 effect plugin / app extension modelled on the audio distortion introduce in to a circuit by diodes.

FoldR is a Wave Folding distortion effect app that adds harmonics to the original signal by folding the waveform back on itself when it exceeds a clipping threshold.