WIDI App vs EFX Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WIDI App
Configure and manage wireless Bluetooth MIDI devices. Update firmware, rename devices, adjust Bluetooth settings, and optimize performance for low latency or jitter. Supports group connections and troubleshooting.
- Update device firmware
- Rename Bluetooth MIDI devices
- Set Bluetooth transmit power
- Configure Bluetooth role (peripheral/auto)
- Set performance mode (low latency/jitter)
- Set wired MIDI thru function
- Manage group connections
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The WIDI app is a dedicated application for configuring and setting all WIDI wireless Bluetooth MIDI devices (including WIDI Master, WIDI Jack, WIDI Uhost, WIDI Bud Pro, WIDI Core/CoreX, WIDI Thru6 BT, WIDI K.O.II and authorized products such as Kurzweil Air MIDI, Nektar WIDIFLEX, Xvive MD1, Limex BT etc.). You can use this application for the following operations: * Update to the latest device firmware * Rename device * Set the transmit power of Bluetooth * Set the Bluetooth role to peripheral or auto mode * Set the performance mode for low latency or low jitter * Set the wired MIDI thru function * Set the group auto-learn * Activate the WIDI Master in test mode (red light condition, firmware version v0046 only) * Clear the existing group connection setting * Factory reset * Set up group connection * Link to online trouble shooting contents Note1: The group connection function requires firmware version v0136 or higher. Note2: The group auto-learn function requires firmware version v0166.
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: WIDI App at 3.1 against EFX Mobile's 2.2. WIDI App also leads on review sentiment (45% vs 25%). EFX Mobile's advantage is iOS requirement (9.3 vs 11.0). On price, ratings volume, update cadence and ads 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.
WIDI App holds the better App Store score, 3.1 against 2.2. Both are backed by a comparable volume of ratings — 32 and 12 respectively. Written reviews point the same way: 45% of WIDI App's written reviews are positive against 25% of EFX Mobile's.
WIDI App ships an update monthly, EFX Mobile every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | WIDI App | EFX Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (32 ratings) — better | 2.2 (12 ratings) |
| Positive reviews | 44.8% of reviews — better | 25.0% of reviews |
| Number of ratings | 32 — better | 12 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 9.3 — better |
| Further details — not scored | ||
| Size | 17 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | CME PTE. LTD. | Cherub Technology Co. Ltd |
Customer experience
WIDI App
EFX Mobile
In-app purchases
WIDI App
No in-app purchases
EFX Mobile
No in-app purchases
