# AIRSTEP vs EFX Mobile

The clearest difference is rating: AIRSTEP at 3.1 against EFX Mobile's 2.2. EFX Mobile's advantage is iOS requirement (9.3 vs 13.0). 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.

AIRSTEP holds the better App Store score, 3.1 against 2.2. Both are backed by a comparable volume of ratings — 11 and 12 respectively. Written reviews point the same way: 29% of AIRSTEP's written reviews are positive against 25% of EFX Mobile's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AIRSTEP | EFX Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (11 ratings)](https://appshunter.io/ios/app/airstep/id1487765085/reviews)** | [2.2 (12 ratings)](https://appshunter.io/ios/app/efx-mobile/id1626383725/reviews) |
| Number of ratings | 11 | **12** |
| Positive reviews | **29.4% 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 | 3 MB | 26 MB |
| Requires iOS | 13.0 | **9.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [XSONIC Inc.](https://appshunter.io/developer/1487765084) | [Cherub Technology Co. Ltd](https://appshunter.io/developer/468999269) |

## What reviewers say

### AIRSTEP

[App page](https://appshunter.io/ios/app/airstep/id1487765085)

This app allows wireless control and customization of a specific hardware device via Bluetooth. Users can program MIDI, HID, and footswitch messages, save unlimited presets, and access a library of pre-made settings for various software.

**Highlights:** Bluetooth connectivity, Wireless parameter editing, Unlimited preset saving, Full MIDI message programming, HID message programming, Footswitch message programming, Massive built-in presets

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

**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 AIRSTEP free?

AIRSTEP 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, AIRSTEP or EFX Mobile?

AIRSTEP is rated higher. AIRSTEP averages 3.1 out of 5 from 11 ratings, while EFX Mobile averages 2.2 from 12 ratings.

### Do AIRSTEP or EFX Mobile have ads?

Neither AIRSTEP nor EFX Mobile shows ads.

### Which is updated more often, AIRSTEP or EFX Mobile?

AIRSTEP ships an update every 2 months, and EFX Mobile every 2 months. Most recently, AIRSTEP was updated on November 3, 2026 and EFX Mobile on November 5, 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.*