# NuRack Auv3 FX Processor vs AU3FX

The clearest difference is update cadence: NuRack Auv3 FX Processor at every 3 weeks against AU3FX's every 6 months. NuRack Auv3 FX Processor also leads on chart position (#197 vs unranked). AU3FX's advantage is rating (5.0 vs 4.7) and review sentiment (100% vs 84%). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

NuRack Auv3 FX Processor costs $7.99 and AU3FX $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AU3FX holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 42 and 20 respectively. Written reviews point the same way: 84% of NuRack Auv3 FX Processor's written reviews are positive against 100% of AU3FX's.

NuRack Auv3 FX Processor ships an update every 3 weeks, AU3FX every 6 months. 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 | **$5.99** |
| Rating | [4.7 (42 ratings)](https://appshunter.io/ios/app/nurack-auv3-fx-processor/id1520146960/reviews) | **[5.0 (20 ratings)](https://appshunter.io/ios/app/au3fxdub/id1542042948/reviews)** |
| Number of ratings | **42** | 20 |
| Positive reviews | 84.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| 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/au3fxdub/id1542042948)

This audio effect plugin offers a highly customizable stereo delay, capable of producing a wide spectrum of sounds from clean digital echoes to distorted dub effects and flangers. It features a 32-bit DSP engine with extensive tweakable parameters, tape simulation, and filters for unique sonic textures.

**Highlights:** Highly tweakable stereo delay, 32-bit DSP engine, Tape simulation (noise and warble), Filters in delay loop, Stereo, detune, and ping-pong modes, Dual LFO for modulation, Bundled presets and user presets

**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 $5.99, with no in-app purchases.

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

AU3FX is rated higher. NuRack Auv3 FX Processor averages 4.7 out of 5 from 42 ratings, while AU3FX averages 5.0 from 20 ratings.

### 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 6 months. 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.*