iOS Musician Apps (564) Supported Technologies is Audio Unit (AU)

Bark Filter is a Critical Band Analyser/Filter/Compressor.

BandShift is a realtimemulti-band auditory filter and frequency shifter.

A full-blown 6-Operator FM Synth on iOS, building on the legacy of the classic synthesizers that defined the digital era of the 1980s.

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).

With AnyAmpIR, I don't give you any amp, I give you the ability to play any amp immediately.

During a routine mining expedition in the outer regions of the galaxy five mysterious boxes of unknown origin were found. Rumours among the workers spread quickly that there was a strange feeling being around these boxes, as if time flows in a different way, not just forward but sometimes also folding back on itself. The miners nicknamed them, the five boxes of reverberation. After the excavation process, to study them more closely, it was decided to transport them back to earth.

Euclid Goes to Party is a synth with a PWM oscillator and an euclidean sequencer. You can create techno bass lines very easily with its sequencer.

Smoov is a soft, clean and transparent sounding program-dependent AUv3, IAA & standalone compressor.

Schlap is a characterful, colourful and aggressive sounding program-dependent AUv3, IAA & standalone compressor.

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

BLEASS Compressor is a tool for iOS musicians offering external sidechain input, input filters and real-time visualization with very low CPU usage.

WOOTT uses a triple band dynamics algorithm with simultaneous downwards AND upwards compression, and adds a dedicated limiter to each band.

The Chomplr name is taken from sample "Chopping Rompler", inspired by the timeless workflow of creating music using samples to make new works. Chomplr brings a new iOS approach to creative sample manipulation. As a standalone module or AUv3 plugin, Chomplr offers quick access to it's robust sample library and an online store is built in. 

WoodScaper combines into one unit the 4 classic guitar effects : phaser, chorus/flanger, wah-wah and tremelo.

Dual VCF adds motion, shape, and colour. It produces evolving rhythmic movement and complex dynamic filter shapes.

GlitchCore is an Audio Unit (AUv3) effect for re-sequencing live audio. It can rearrange audio that it processes. GlitchCore lets you glitch audio by making micro loops and scrubbing your sound.  

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.

RhythmBud is a MIDI effect application that would transform incoming MIDI messages into the rhythmic pattern you will create on its editor.

Visual Mixer is an audio unit plugin that puts the volume and pan controls for all your tracks together into one simple interface.

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