# NuRack Auv3 FX Processor vs EG ClassicFX AU3 Multi effects

The clearest difference is price: EG ClassicFX AU3 Multi effects at $3.99 against NuRack Auv3 FX Processor's $12.99. EG ClassicFX AU3 Multi effects also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (8.0 vs 13). NuRack Auv3 FX Processor's advantage is ratings volume (41 vs 6). On rating, review sentiment, ads and in-app purchases there is nothing between them.

NuRack Auv3 FX Processor costs $12.99 and EG ClassicFX AU3 Multi effects $3.99 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 EG ClassicFX AU3 Multi effects. That said, the two scores are not equally well evidenced: NuRack Auv3 FX Processor has 41 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 84% of NuRack Auv3 FX Processor's written reviews are positive against 80% of EG ClassicFX AU3 Multi effects's.

NuRack Auv3 FX Processor ships an update every 3 weeks, EG ClassicFX AU3 Multi effects every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NuRack Auv3 FX Processor | EG ClassicFX AU3 Multi effects |
| --- | --- | --- |
| Price | $12.99 | **$3.99** |
| Rating | **[4.7 (41 ratings)](https://appshunter.io/ios/app/nurack-auv3-fx-processor/id1520146960/reviews)** | [4.7 (6 ratings)](https://appshunter.io/ios/app/eg-classicfx-au3-multi-effects/id1547231868/reviews) |
| Number of ratings | **41** | 6 |
| Positive reviews | **84.4% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Paid | Paid |
| Size | 26 MB | 30 MB |
| Requires iOS | 13 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [Elliott Garage](https://appshunter.io/developer/454709866) |

## What reviewers say

### NuRack Auv3 FX Processor

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

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


### EG ClassicFX AU3 Multi effects

[App page](https://appshunter.io/ios/app/eg-classicfx-au3-multi-effects/id1547231868)

This audio effects app provides a suite of classic effects like reverb, delay, and chorus for music production. It allows for deep customization of each effect and offers advanced features like AU3 multi-output and MIDI CC automation. It requires a compatible host app to function.

**Highlights:** 8 classic audio effects, Tweakable effects with bypass, AU3 multi-output support, MIDI CC automation, Multitouch effect modulation, Live mode for on-the-fly effects, Reorderable effect chain, Preset saving

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

**In-app purchases:** none


## Frequently asked questions

### Is NuRack Auv3 FX Processor free?

NuRack Auv3 FX Processor costs $12.99, with no in-app purchases.

### Is EG ClassicFX AU3 Multi effects free?

EG ClassicFX AU3 Multi effects costs $3.99, with no in-app purchases.

### Which has better reviews, NuRack Auv3 FX Processor or EG ClassicFX AU3 Multi effects?

NuRack Auv3 FX Processor is rated higher. NuRack Auv3 FX Processor averages 4.7 out of 5 from 41 ratings, while EG ClassicFX AU3 Multi effects averages 4.7 from 6 ratings.

### Do NuRack Auv3 FX Processor or EG ClassicFX AU3 Multi effects have ads?

Neither NuRack Auv3 FX Processor nor EG ClassicFX AU3 Multi effects shows ads.

### Which is updated more often, NuRack Auv3 FX Processor or EG ClassicFX AU3 Multi effects?

NuRack Auv3 FX Processor ships an update every 3 weeks, and EG ClassicFX AU3 Multi effects every 3 days. Most recently, NuRack Auv3 FX Processor was updated on October 25, 2026 and EG ClassicFX AU3 Multi effects on October 24, 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.*