Comparison

GTRS vs EFX Mobile

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Low latency Bluetooth connectivity
  • 110+ effect models
  • Load custom guitar sample files
  • Virtual footswitch
  • Built-in tuner and metronome
  • Cloud file upload/download
Read full description

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.

About

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.

Highlights
  • OTG remote control
  • Device management
  • Parameter control
  • Function engagement
  • USB-C connectivity
Features
Read full description

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

GTRS2 screens
EFX Mobile3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
GTRS versus EFX Mobile: the parameters behind the verdict, then further details
ParameterGTRSEFX Mobile
PriceFreeFree
Rating2.7 (13 ratings) — better2.2 (12 ratings)
Positive reviews30.0% of reviews — better25.0% of reviews
Number of ratings13 — better12
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.69.3 — better
Further details — not scored
Size219 MB26 MB
Age rating4+4+
DevelopermooerCherub Technology Co. Ltd

Customer experience

GTRS

All ratings13 ratings
Positive38.5%
Neutral7.7%
Negative53.8%
Written reviews10 reviews
Positive30.0%
Neutral20.0%
Negative50.0%

EFX Mobile

All ratings12 ratings
Positive25.0%
Neutral8.3%
Negative66.7%
Written reviews8 reviews
Positive25.0%
Neutral12.5%
Negative62.5%

In-app purchases

None

GTRS

No in-app purchases

None

EFX Mobile

No in-app purchases

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.

Other comparisons