GTRS vs EFX Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GTRS
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.
- Low latency Bluetooth connectivity
- 110+ effect models
- Load custom guitar sample files
- Virtual footswitch
- Built-in tuner and metronome
- Cloud file upload/download
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GTRS iOS APP is a compatible mobile controlling App for GTRS guitars. Main features as below: 1. Low latency Bluetooth can connect with GTRS hardware system, showing GTRS guitar hardware working status in real time. 2. Fast switch over 110 effect models. 3. Load and change guitar sample files to experience different guitar tones from the same guitar. 4. Virtual footswitch can be used to change preset and switch on/off moduals like the physical footswitch does. 5. Easy operation with user-friendly quick guide 6. Included Tuner & Metronome. 7. Block chain orders can be changed easily. 8. Cloud system allows upload/download files.
EFX Mobile
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.
- OTG remote control
- Device management
- Parameter control
- Function engagement
- USB-C connectivity
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EFXMobile is an OTG remote control and device management APP for NUX effect pedals, like AMP ACADEMY. Connect to NUX pedals via USB-C with lightning to USB adaptor to access parameter control and engage some functions. Made for iPhone on iOS version >= 10.0
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | GTRS | EFX Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (13 ratings) — better | 2.2 (12 ratings) |
| Positive reviews | 30.0% of reviews — better | 25.0% of reviews |
| Number of ratings | 13 — better | 12 |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 9.3 — better |
| Further details — not scored | ||
| Size | 219 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | mooer | Cherub Technology Co. Ltd |
Customer experience
GTRS
EFX Mobile
In-app purchases
GTRS
No in-app purchases
EFX Mobile
No in-app purchases









