Mix Bus Compressor vs ab vortEx X
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mix Bus Compressor
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.
- Ultra-low harmonic distortion
- Unique envelope follower
- Immediate response time
- No added latency
- No phase distortion
- Scalable user interface
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This compressor has the lowest total harmonic distortion of any plugin we have seen, including desktop units. At the heart of it is a unique envelope follower design that makes it possible to compress the signal without creating distortion harmonics. On the spectrum of compressor tone that ranges from "vintage analog" to "pristine digital", this plugin sits at the extreme end of low-noise digital clarity, but it is different from other low-noise digital designs because it doesn't use digital look-ahead. Therefore its response time is immediate, it adds no extra delay to the signal chain, and it works great for processing real-time performance effects. It uses no oversampling so there is no phase distortion or loss of high-frequency energy from anti-aliasing filters. It also uses no digital-style filters (FIR filters) and no digital look-ahead, so it adds no additional latency to the signal chain. Although it is not a model of an existing piece analog hardware, every component of its signal path is realizable in the analog domain. We think of it as a digital model of our ideal analog compressor: it could exist as an analog circuit but would be very expensive to build with physical analog electronic parts. The user interface is 100% scalable, designed specifically for iOS, so it looks beautiful at any screen size or orientation, from tiny portrait views in AUM on iPhone to the largest full-screen views on iPad Pro.
ab vortEx X
This app is a stereo-only abstract spacetime designer for creating unique reverberations. It functions as an AUv3 plugin for compatible iOS hosts or as a standalone application, offering control over sound reflection spread.
- Stereo-only spatial audio algorithms
- AUv3 plugin compatibility
- Standalone application mode
- Touch screen interface
- Control over sound reflection spread
- Space, Time, Viscosity, Volumes controls
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'ab vortEx X' for iOS is a 'Light', stereo-only version of 'ab vortEx', an abstract spacetime designer for creating infinite variations of reverberations using our Spatial Audio algorithms under the hood. 'ab vortEx' for iOS comes as an AUv3 Plugin and is compatible with any iOS host that supports AUv3 (e.g. Garageband). The plugin contains a minimalist interface, compatible with Touch Screens - as you move through the screen, you can control how the algorithm works and how the reflections of the sound spread through time and space. 'ab Vortex X' also works as a stand-alone application (make sure you wear headphones or use a soundcard). 'ab vortEx X' supports Stereo signals and contains the most critical controls of 'ab Vortex' (Space, Time, Viscosity and Volumes) for providing quick ways to manipulate your sound.ab vortEx' for iOS works with Mono and Stereo signals.
Screenshots
Verdict
The clearest difference is rating: ab vortEx X at 4.6 against Mix Bus Compressor's 3.9. ab vortEx X also leads on review sentiment (88% vs 75%). Mix Bus Compressor's advantage is price ($5.99 vs $12.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Mix Bus Compressor costs $5.99 and ab vortEx X $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ab vortEx X holds the better App Store score, 4.6 against 3.9. Both are backed by a comparable volume of ratings — 8 and 8 respectively. Written reviews point the same way: 75% of Mix Bus Compressor's written reviews are positive against 88% of ab vortEx X's.
Mix Bus Compressor ships an update every 6 weeks, ab vortEx X every 2 months. The most recent releases landed on September 30, 2026 and September 24, 2026 respectively.
| Parameter | Mix Bus Compressor | ab vortEx X |
|---|---|---|
| Price | $5.99 — better | $12.99 |
| Rating | 3.9 (8 ratings) | 4.6 (8 ratings) — better |
| Positive reviews | 75.0% of reviews | 87.5% of reviews — better |
| Number of ratings | 8 | 8 |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.2 — better | 11 |
| Further details — not scored | ||
| Size | 25 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Blue Mangoo Consulting Company Limited | Alejandro Cabrera Zuniga |
Customer experience
Mix Bus Compressor
ab vortEx X
In-app purchases
Mix Bus Compressor
No in-app purchases
ab vortEx X
No in-app purchases









