# Sidechain Compressor Plugin — AUv3 Compatible Audio Plugin

> AUv3 stereo compressor plugin for side-chaining audio effects in music production. (iPhone/iPad app by 4Pockets.com.)

- Source: https://appshunter.io/ios/app/sidechain-compressor-plugin/id1500710796 (this page in markdown: same URL + `.md`)
- Developer: [4Pockets.com](https://appshunter.io/developer/370131860)
- Category: Music, Photo & Video
- Price: $5.99
- Rating: 3.80/5 from 6 App Store ratings · 8 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 12 MB
- Languages: American English
- Released: 2020-03-02
- Data updated: 2026-09-01
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/sidechain-compressor-plugin/id1500710796/reviews.md

## What is Sidechain Compressor Plugin?

This is an AUv3 compatible stereo compressor plugin which is intended for use inside your favourite DAW/HOST such as AUM, Cubasis, Auria, Meteor, AUM or GarageBand etc. 

So lets start by answering the question what is side chaining? 

Side chaining is a technique used in a lot of modern dance music which involves using the volume level of one sound source to control another. You can hear plenty of examples of this in modern Trance/Dubstep music where sound engineers use the impact of a bass drum to duck a sustained string sound, creating space in the mix. This can be heard as a rythmic pumping sound which gives your music drive and energy.

This compressor is quite unique since it was designed to get around the limitations of AUv3 plugins on iOS and the lack of multi-audio routing inside DAW apps. Until recently it wasn't possible to do true side chaining using AUv3, but now AUM has recently integrated support for multiple inputs and outputs per AUv3 plugin, it opens up a whole new world of possibilities.

This is great for AUM users, but this still leaves users of other DAW's in the dark. This is where this app has you covered as it provides a method of sudo side-chaining by allowing you to attach two instances of this plugin to multiple sources and route audio between them to achieve a sudo sidechain. This works by ensuring two instances of the plugin are loaded as insert effects, one being the MASTER and the other a SLAVE. The slave sends audio to the master by means of one of 3 available busses.

True side chaining can be achieved in AUM. Simple set the SideChain Mode to 'Normal' and install an instance of the plugin on the channel you want to control. Then using the new 'Multiple Audio Unit Instances' option in AUM you can add a redirection of the controlling source to send to the same bus the plugin is listening to. It's that simple.  In this case you need to set both instances to either Bus 2 or 3, since Bus 1 is the original audio.


Features:

○ Standard Compressor features.
○ Real calibrated VU and reduction meters
○ Real-time visual graphing of parameters.
○ Real sidechain in AUM.
○ Sudo side chain using MASTER and SLAVE for others.
○ 3 available busses.
○ Mono / Stereo modes.
○ Integrated help.

## Key features

- Standard compressor features
- Real calibrated VU and reduction meters
- Real-time visual graphing
- True sidechain in AUM
- Sudo sidechain with MASTER/SLAVE
- 3 available busses
- Mono/Stereo modes

## Recent user reviews (8 of 8)

All indexed reviews: https://appshunter.io/ios/app/sidechain-compressor-plugin/id1500710796/reviews.md

### 5/5 — Awesome

*2026-04-29*

Love it. Bought to solve a specific problem of working in a daw with no sidechain compressor. Works great and does exactly what it says it does

### 5/5 — Working on GarageBand iOS !

*2025-12-02*

This plugin is working.  But I tried to understand a long time ago

### 3/5 — Does its job but not the greatest

*2024-07-13, version 1.0*

Hard to get sufficient ducking without pushing the threshold past a point where the release is too noticeable. Good for light sidechaining, not so much for versatility.

### 5/5 — Side chain

*2021-08-01, version 1.0*

This is a very good app. Works well with garage band iOS.

### 5/5 — It Works!

*2021-04-03*

I was beginning to think their was no way to side chain on iOS DAWs outside BeatMaker3. Watch a tutorial on how to use this app and it will become your kick and 808s best friend.

### 4/5 — Esta buena la aplicación

*2020-10-09*

La aplicación funciona muy bien en auria pero lastima que no funciona en GarageBand

### 3/5 — Help

*2020-06-23*

Following the instructions that says to set one track as master and the receiving track as the slave in audio evolution DAW. I’m also putting both tracks on the same BUS. But the side chaining isn’t happening. Willing to change my review if I could get it to work.

**Developer response:** Please checkout the videos I released on this app on the Paul the MusicMan website where I go over how to use this app in detail using AUM. I've never used Evolution so I can't say how well it has implemented multi-channel routing.

### 1/5 — DO NOT GET THIS APP

*2020-04-27*

It doesn’t even work right, and some features cause the AUE to crash in GarageBand. I wasted 6.41 for this app...

**Developer response:** Not sure why you seem to purchase my apps then give them all 1 star. This app should work fine in GarageBand.

## Frequently asked questions about Sidechain Compressor Plugin

### What is Sidechain Compressor Plugin?

Sidechain Compressor Plugin is an AUv3 compatible stereo compressor designed for iOS DAWs. It allows you to control the volume of one sound source with another, commonly used for rhythmic pumping effects in electronic music.

### How does Sidechain Compressor Plugin work?

It offers true side-chaining in DAWs like AUM by routing audio through multiple inputs. For other DAWs, it provides a sudo side-chain method using MASTER and SLAVE instances to achieve similar results.

### What DAWs are compatible with Sidechain Compressor Plugin?

This plugin is intended for use within DAWs and hosts such as AUM, Cubasis, Auria, Meteor, and GarageBand on iOS devices.

### What is the price of Sidechain Compressor Plugin?

Sidechain Compressor Plugin is a paid application, available for $5.99. There are no in-app purchases or subscriptions associated with this app.

### Does Sidechain Compressor Plugin have ads?

No, Sidechain Compressor Plugin does not contain advertisements. It is a premium application focused on providing an ad-free audio production experience.

### What devices does Sidechain Compressor Plugin support?

Sidechain Compressor Plugin is supported on iPhone, iPad, and iPod. It is designed for iOS devices and requires a compatible DAW host.

### How often is Sidechain Compressor Plugin updated?

The latest version of Sidechain Compressor Plugin is 1.01, last updated on September 4, 2025. Updates typically address bug fixes and compatibility improvements for iOS audio plugins.

### What is the user rating for Sidechain Compressor Plugin?

Sidechain Compressor Plugin has an average rating of 3.3 stars from 4 ratings. This indicates a mixed but generally positive reception from its user base.

## Version history (last 2 releases)

### 1.01 — 2025-09-04

v1.01 B3
Updated for compatibility with future versions of iOS.

### 1.0 — 2020-03-02

No release notes.

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All apps by 4Pockets.com: https://appshunter.io/developer/370131860

## Related topics

[sidechain compressor plugin](https://appshunter.io/ios/topics/sidechain-compressor-plugin) · [thrillme auv3 compressor](https://appshunter.io/ios/topics/thrillme-auv3-compressor) · [compressor plugin](https://appshunter.io/ios/topics/compressor-plugin)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*