# NuRack Auv3 FX Processor vs AU3FX

The clearest difference is update cadence: AU3FX at every 4 days against NuRack Auv3 FX Processor's every 3 weeks. AU3FX also leads on price ($6.99 vs $7.99). NuRack Auv3 FX Processor's advantage is chart position (#197 vs unranked) and review sentiment (84% vs 75%). On rating, ads, in-app purchases and monetization model there is nothing between them.

NuRack Auv3 FX Processor costs $7.99 and AU3FX $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.7 for NuRack Auv3 FX Processor against 4.7 for AU3FX. Both are backed by a comparable volume of ratings — 42 and 14 respectively. Written reviews are what separate them: 84% of NuRack Auv3 FX Processor's written reviews are positive against 75% of AU3FX's.

NuRack Auv3 FX Processor ships an update every 3 weeks, AU3FX every 4 days. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | NuRack Auv3 FX Processor | AU3FX |
| --- | --- | --- |
| Price | $7.99 | **$6.99** |
| Rating | [4.7 (42 ratings)](https://appshunter.io/ios/app/nurack-auv3-fx-processor/id1520146960/reviews) | [4.7 (14 ratings)](https://appshunter.io/ios/app/au3fxpush/id1596371447/reviews) |
| Number of ratings | **42** | 14 |
| Positive reviews | **84.4% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Paid | Paid |
| Best chart rank | **#197** | — |
| Size | 26 MB | 2 MB |
| Requires iOS | 13 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [Kymatica AB](https://appshunter.io/developer/522046659) |

## What reviewers say

### NuRack Auv3 FX Processor

[App page](https://appshunter.io/ios/app/nurack-auv3-fx-processor/id1520146960)

**Currently charting:** #197 Top Paid · Music (US App Store)

Design custom audio and MIDI effects racks with over 80 building blocks. Route audio in series or parallel and create unique interfaces for your sound processing needs.

**Highlights:** Design custom effects racks, Over 80 audio and MIDI building blocks, Full routing control (series/parallel), Customizable interface builder, Seamless effect switching, 3 independent audio racks mode, Extensive automation options

**In-app purchases:** none


### AU3FX

[App page](https://appshunter.io/ios/app/au3fxpush/id1596371447)

This audio effect plugin offers a versatile stereo dynamics processor with a noise gate, compressor/expander, and limiter. Achieve subtle compression, extreme pumping, or maximum loudness with its highly tweakable controls and high-quality DSP.

**Highlights:** Noise gate, Compressor/expander with side-chain, Limiter/clipper, Negative ratio support, External side-chain input, Parallel compression, Adjustable envelope followers

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NuRack Auv3 FX Processor free?

NuRack Auv3 FX Processor costs $7.99, with no in-app purchases.

### Is AU3FX free?

AU3FX costs $6.99, with no in-app purchases.

### Which has better reviews, NuRack Auv3 FX Processor or AU3FX?

NuRack Auv3 FX Processor and AU3FX are both rated 4.7 out of 5 on the App Store, from 42 and 14 ratings respectively.

### Do NuRack Auv3 FX Processor or AU3FX have ads?

Neither NuRack Auv3 FX Processor nor AU3FX shows ads.

### Which is updated more often, NuRack Auv3 FX Processor or AU3FX?

NuRack Auv3 FX Processor ships an update every 3 weeks, and AU3FX every 4 days. Most recently, NuRack Auv3 FX Processor was updated on October 15, 2026 and AU3FX on October 13, 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.*