iOS Musician Apps (308) Supported Technologies is Audio Unit (AU), Type is Effect

BLEASS Slow Machine can deepen any beat by completely or partially slowing down the audio signal, transform epic leads into heavy basses, and add some “tape stop” effect with precision either by touching the X/Y Stop trigger, or by dialing in precise sequence automations

BLEASS Shimmer is an AUv3 compatible Shimmer Reverb Effect that brings harmonic tails to any sound or instrument with very low CPU usage.

The ERS 250 reverb audio plugin was originally designed and sold by Harrie Munnik and his Dutch company EmptyRoomSystems.

Steel Guitar PRO is a guitar processor that combines cutting-edge realtime audio generation with control interface. It provides guitar models, built-in amps & FX processing, MIDI control, AUv3, and good customizability.

BLEASS delay transforms your sounds into cinematic and experimental sonic experiences! It is constantly creating flux in the audio signal making your music even more lively.
BLEASS delay is also ideal for making track build-ups and transitions.

Stereo Phaser is a phaser effect that can run in stereo mode.

Alien Box is a new kind of audio effect that you have never heard before.

Warm Distortion is real time distortion audio effect.

This is an AUv3 compatible stereo reverb which can be used as a plugin with your favourite DAW such as Cubasis, Meteor, GarageBand or Auria.

Drum surgeon is a dynamics / transient processor specifically designed for fine tuning your drums.

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).

Stellr is a pitch-shifter/delay/reverb sound processor aimed to recreate the classic shimmer effect.

Electrogene is a low fidelity audio effect combining bit-crusher, modulation, saturation and filter with scope visualizer.

MixBox CS packs 70 award-winning mixing processors and creative effects into a convenient 500-series style iPad app.

ToneStack PRO is a guitar effects processor.

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.  

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

DOTEC-AUDIO presents DeeEQ, as a popular "Equalizer" for MacOS, now available for iOS, including AudioUnit V3 support.

rejected, macDeeTrim is a simple plugin which controls the volume from -12dB to +3dB. It can keep the output level constant from any input level.