# Mix Bus Compressor vs AU EngineCore

The clearest difference is price: Mix Bus Compressor at $5.99 against AU EngineCore's $22.99. Mix Bus Compressor also leads on chart position (#194 vs unranked) and iOS requirement (10.2 vs 16.6). AU EngineCore's advantage is update cadence (weekly vs every 6 weeks). On ads, in-app purchases and device support there is nothing between them.

Mix Bus Compressor costs $5.99 and AU EngineCore $22.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mix Bus Compressor ships an update every 6 weeks, AU EngineCore weekly. The most recent releases landed on September 11, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Mix Bus Compressor | AU EngineCore |
| --- | --- | --- |
| Price | **$5.99** | $22.99 |
| Rating | **[3.9 (8 ratings)](https://appshunter.io/ios/app/mix-bus-compressor/id1467711076/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Paid | — |
| Best chart rank | **#194** | — |
| Size | 25 MB | 13 MB |
| Requires iOS | **10.2** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602) | [Antonio Sorin TASU](https://appshunter.io/developer/1883473854) |

## What reviewers say

### Mix Bus Compressor

[App page](https://appshunter.io/ios/app/mix-bus-compressor/id1467711076)

**Currently charting:** #194 Top Paid · Music (US App Store)

This audio plugin offers ultra-transparent compression with exceptionally low harmonic distortion. Its unique design provides immediate response without adding latency or phase distortion, making it ideal for real-time audio processing. The scalable interface ensures a clear visual experience on all iOS devices.

**Highlights:** Ultra-low harmonic distortion, Unique envelope follower, Immediate response time, No added latency, No phase distortion, Scalable user interface

**Features:** macOS Compatibility

**In-app purchases:** none


### AU EngineCore

[App page](https://appshunter.io/ios/app/au-enginecore/id6766300671)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mix Bus Compressor free?

Mix Bus Compressor costs $5.99, with no in-app purchases.

### Is AU EngineCore free?

AU EngineCore costs $22.99, with no in-app purchases.

### Do Mix Bus Compressor or AU EngineCore have ads?

Neither Mix Bus Compressor nor AU EngineCore shows ads.

### Which is updated more often, Mix Bus Compressor or AU EngineCore?

Mix Bus Compressor ships an update every 6 weeks, and AU EngineCore weekly. Most recently, Mix Bus Compressor was updated on September 11, 2026 and AU EngineCore on September 14, 2026.

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