A modulation effect multi-tool, with chorus, flanger, diffusor, and frequency shifter, for AUv3 and stand-alone Inter-App Audio.

Installs both an AudioUnit V3 effect, for hosts that support that format (Cubasis, Beatmaker 3, AUM, AudioBus, GarageBand, etc.) and a stand-alone effect with Inter-App Audio.

Take our classic Liquid through-zero flanger, Fluid multi-mod chorus, Vapor diffusion chorus, and FreqShift frequency shifter (from our Eurorack hardware line) and put them all in one plug-in, and you have a true powerhouse of stereo-insert modulation.

FLANGER: The through-zero flanger mode is our Liquid plugin in all its glory, with Haas Effect "Offset" control and invertible feedback for extra widening.

CHORUS: The chorus mode, based on our original chorus product, Fluid, later extended in to the Dimensions module for Eurorack, has six delay lines modded at different rates for one of the thickest stereo choruses available. The DIM-D mode does what you'd expect, changing the topology to match that venerated box, but with all the control of a modern chorus.

DIFFUSOR: Our Vapor plugin, recreated here as the Diffusor mode, is essentially the diffusion block from a reverb, rewired to act as a chorus. The secret snare weapon of many a producer, this mode is an unique effect that will reward experimentation.

FREQSHIFT: One of our most popular Eurorack-format hardware modules, here thoroughly reworked for the DAW context. Once you use this mode in a slight upwards shift on pads, and you'll never use anything else.

What’s New

Version 1.0.1

This app has been updated by Apple to use the latest Apple signing certificate.

Ratings and Reviews

4.1 out of 5
14 Ratings

14 Ratings

K2 ,

First thing I noticed.....

I immediately found this listed in AUM. This is a very nice sounding chorus and anything else you need from a modulation plug in. There is a bug that I think I found that when you open it in GarageBand, the audio gets killed completely. Re-opening a previous GarageBand file with sound will restore the audio. That being said, I really like this plug-in. What's not to like? At this point, it is not the only good modulation audio unit plug-in out there in iOS land. But, it's a good one!

TheCleverName ,

Works great

Im running this on 1st gen iPad Pro, ios 11.4, with AUM as AU host. Seems to have good flavor, and no tech issues at all.

Eriptron ,

First thing I noticed!

QuatroMod is not listed in AUM anywhere on my 1G iPad Pro.

App Privacy

The developer, Audio Damage, Inc., has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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