# EFX Mobile vs Audio UCI

The clearest difference is iOS requirement: EFX Mobile at 9.3 against Audio UCI's 17. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EFX Mobile ships an update every 2 months, Audio UCI monthly. The most recent releases landed on November 9, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | EFX Mobile | Audio UCI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (12 ratings)](https://appshunter.io/ios/app/efx-mobile/id1626383725/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 26 MB | 98 MB |
| Requires iOS | **9.3** | 17 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Cherub Technology Co. Ltd](https://appshunter.io/developer/468999269) | [众星 赵](https://appshunter.io/developer/1068712485) |

## What reviewers say

### EFX Mobile

[App page](https://appshunter.io/ios/app/efx-mobile/id1626383725)

Control and manage NUX effect pedals, including the AMP ACADEMY, directly from your iOS device. Connect via USB-C to adjust parameters and engage various functions for your guitar effects.

**Highlights:** OTG remote control, Device management, Parameter control, Function engagement, USB-C connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### Audio UCI

[App page](https://appshunter.io/ios/app/audio-uci/id6737753935)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EFX Mobile free?

EFX Mobile is free to download, with no in-app purchases.

### Is Audio UCI free?

Audio UCI is free to download, with no in-app purchases.

### Do EFX Mobile or Audio UCI have ads?

Neither EFX Mobile nor Audio UCI shows ads.

### Which is updated more often, EFX Mobile or Audio UCI?

EFX Mobile ships an update every 2 months, and Audio UCI monthly. Most recently, EFX Mobile was updated on November 9, 2026 and Audio UCI on November 8, 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.*