# GTRS vs EFX Mobile

The clearest difference is rating: GTRS at 2.7 against EFX Mobile's 2.2. EFX Mobile's advantage is iOS requirement (9.3 vs 15.6). 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.

GTRS holds the better App Store score, 2.7 against 2.2. Both are backed by a comparable volume of ratings — 13 and 12 respectively. Written reviews point the same way: 30% of GTRS's written reviews are positive against 25% of EFX Mobile's.

GTRS ships an update every 5 weeks, EFX Mobile every 2 months. The most recent releases landed on September 17, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | GTRS | EFX Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (13 ratings)](https://appshunter.io/ios/app/gtrs/id1491879128/reviews)** | [2.2 (12 ratings)](https://appshunter.io/ios/app/efx-mobile/id1626383725/reviews) |
| Number of ratings | **13** | 12 |
| Positive reviews | **30.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 219 MB | 26 MB |
| Requires iOS | 15.6 | **9.3** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [mooer](https://appshunter.io/developer/1384361853) | [Cherub Technology Co. Ltd](https://appshunter.io/developer/468999269) |

## What reviewers say

### GTRS

[App page](https://appshunter.io/ios/app/gtrs/id1491879128)

Control your GTRS guitar hardware with this app. It offers real-time status updates, quick switching of over 110 effect models, and the ability to load different guitar sample files for varied tones. Features include a virtual footswitch, tuner, metronome, and cloud storage for your files.

**Highlights:** Low latency Bluetooth connectivity, 110+ effect models, Load custom guitar sample files, Virtual footswitch, Built-in tuner and metronome, Cloud file upload/download

**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 GTRS free?

GTRS 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, GTRS or EFX Mobile?

GTRS is rated higher. GTRS averages 2.7 out of 5 from 13 ratings, while EFX Mobile averages 2.2 from 12 ratings.

### Do GTRS or EFX Mobile have ads?

Neither GTRS nor EFX Mobile shows ads.

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

GTRS ships an update every 5 weeks, and EFX Mobile every 2 months. Most recently, GTRS was updated on September 17, 2026 and EFX Mobile on June 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*