# Sidechain Compressor Plugin vs AutoMaster

The clearest difference is price: AutoMaster at Free against Sidechain Compressor Plugin's $5.99. AutoMaster also leads on update cadence (every 6 weeks vs every 67 months). Sidechain Compressor Plugin's advantage is iOS requirement (11.0 vs 26.5). On ads, in-app purchases and device support there is nothing between them.

AutoMaster is free to download; Sidechain Compressor Plugin costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sidechain Compressor Plugin ships an update every 67 months, AutoMaster every 6 weeks. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Sidechain Compressor Plugin | AutoMaster |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/sidechain-compressor-plugin/id1500710796/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 67 months | **Every 6 weeks** |
| Monetization | Paid | — |
| Size | 12 MB | 3 MB |
| Requires iOS | **11.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [Lukasz Gad](https://appshunter.io/developer/6776291347) |

## What reviewers say

### Sidechain Compressor Plugin

[App page](https://appshunter.io/ios/app/sidechain-compressor-plugin/id1500710796)

This audio plugin enables side-chain compression for music production, creating rhythmic pumping effects. It offers true side-chaining in compatible DAWs and a unique sudo side-chain method for broader compatibility.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### AutoMaster

[App page](https://appshunter.io/ios/app/automaster/id6776291345)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sidechain Compressor Plugin free?

Sidechain Compressor Plugin costs $5.99, with no in-app purchases.

### Is AutoMaster free?

AutoMaster is free to download, with no in-app purchases.

### Do Sidechain Compressor Plugin or AutoMaster have ads?

Neither Sidechain Compressor Plugin nor AutoMaster shows ads.

### Which is updated more often, Sidechain Compressor Plugin or AutoMaster?

Sidechain Compressor Plugin ships an update every 67 months, and AutoMaster every 6 weeks. Most recently, Sidechain Compressor Plugin was updated on October 8, 2026 and AutoMaster on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*