# Vypyr X vs EFX Mobile

The clearest difference is rating: Vypyr X at 2.5 against EFX Mobile's 2.2. EFX Mobile's advantage is iOS requirement (9.3 vs 11.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Vypyr X holds the better App Store score, 2.5 against 2.2. Both are backed by a comparable volume of ratings — 10 and 12 respectively. Written reviews complicate that: 20% of Vypyr X's written reviews are positive against 25% of EFX Mobile's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Vypyr X | EFX Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (10 ratings)](https://appshunter.io/ios/app/vypyr-x/id1476612331/reviews)** | [2.2 (12 ratings)](https://appshunter.io/ios/app/efx-mobile/id1626383725/reviews) |
| Number of ratings | 10 | **12** |
| Positive reviews | 20.0% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 64 MB | 26 MB |
| Requires iOS | 11.0 | **9.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peavey Electronics Corporation](https://appshunter.io/developer/436001313) | [Cherub Technology Co. Ltd](https://appshunter.io/developer/468999269) |

## What reviewers say

### Vypyr X

[App page](https://appshunter.io/ios/app/vypyr-x/id1476612331)

This application allows users to control Peavey's VypyrX series modeling guitar amplifiers. It provides a digital interface for managing amp settings and presets.

**Highlights:** Control modeling guitar amplifiers, Manage amp settings, Preset management, Digital interface

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Vypyr X free?

Vypyr X is free to download, with no in-app purchases.

### Is EFX Mobile free?

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

### Which has better reviews, Vypyr X or EFX Mobile?

Vypyr X is rated higher. Vypyr X averages 2.5 out of 5 from 10 ratings, while EFX Mobile averages 2.2 from 12 ratings.

### Do Vypyr X or EFX Mobile have ads?

Neither Vypyr X nor EFX Mobile shows ads.

### Which is updated more often, Vypyr X or EFX Mobile?

Vypyr X ships an update every 2 months, and EFX Mobile every 2 months. Most recently, Vypyr X was updated on October 24, 2026 and EFX Mobile 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.*