Qudelix vs EFNOTE Tools (Mobile)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Qudelix
This app serves as an official remote controller for the Qudelix-5K Bluetooth DAC AMP. It allows users to manage various functions, including equalizer settings, volume, and firmware updates, all via a BLE connection.
- BLE control and monitoring
- Equalizer adjustment
- Battery level display
- Firmware updates
- Volume control
- Bluetooth codec information
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Official remote controller app for Qudelix-5K Bluetooth DAC AMP - Control/Monitor 5K DAC AMP over BLE link - Equalizer Control - Battery Monitor - Device Firmware Update - Volume Control - ES9219 DAC option - Bluetooth Codec & Streaming Information *This app runs with Qudelix-5K DAC AMP HW Device.
EFNOTE Tools (Mobile)
This app allows electronic drum users to customize and manage their drum kits, trigger settings, and bus settings. It provides access to a library of new drum kits, sound swapping, and remote control of pad levels and mixer settings. Firmware updates and product support are also available.
- Save/load customized drum kits
- Save/load trigger and bus settings
- Access online Kit Library
- Swap sounds between pads
- Remote pad level control
- Firmware updates
- Product support access
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Make your EFNOTE drum experience more seamless, versatile, and creative. EFNOTE Tools is a dedicated app for EFNOTE electronic drum users. Key Features: - Kit Management: Save your custom kits to your iPhone and restore them to your sound module anytime. - Kit Library: Download your favorite kits from the official Kit Library directly to your sound module. - Trigger Backup: Save and restore your trigger settings with ease. - Remote Control & FOH Check: Adjust individual pad levels and preview sounds remotely — perfect for hassle-free FOH sound checks in small venues. - Remote Kit Switching: Switch drum kits remotely from your iPhone. - EFNOTE PRO Control: Manage Bus Comp/EQ, bus routing, and more on EFNOTE PRO. - Support Access: Quickly reach official product support and documentation. * Available features vary depending on the sound module. * To use Bluetooth® wireless communication, you need to allow the app to access the device's location.
Screenshots
Verdict
The clearest difference is rating: Qudelix at 4.4 against EFNOTE Tools (Mobile)'s 2.3. Qudelix also leads on review sentiment (69% vs 33%) and update cadence (every 3 weeks vs every 20 months). On price, ads, in-app purchases and monetization model 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.
Qudelix holds the better App Store score, 4.4 against 2.3. That said, the two scores are not equally well evidenced: Qudelix has 84 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 69% of Qudelix's written reviews are positive against 33% of EFNOTE Tools (Mobile)'s.
Qudelix ships an update every 3 weeks, EFNOTE Tools (Mobile) every 20 months. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.
| Parameter | Qudelix | EFNOTE Tools (Mobile) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (84 ratings) — better | 2.3 (3 ratings) |
| Positive reviews | 68.9% of reviews — better | 33.3% of reviews |
| Number of ratings | 84 — better | 3 |
| Update frequency | Every 3 weeks — better | Every 20 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 27 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Qudelix, Inc. | Ef-Note Inc. |
Customer experience
Qudelix
EFNOTE Tools (Mobile)
Bugs and requests
Qudelix
Reported bugs
25 issues- App needs work
- Documentation does not provide a coherent answer
- Wont recognize any Bluetooth devices
- App is useless if you can’t connect a device to it
- Doesn’t work on iPhone 15
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- Causes iPad to lock up
- Some settings won’t apply until I disconnect and reconnect
- Causes issues when it’s running in the background and it’s become extremely bad
- Wont connect to app
- Just won’t connect to app even though it’s connect to my phone
- Thoroughly disappointed
- App kept disconnecting from the 5k at random
- Stopped reconnecting
- App still will not recognize the 5k Device
- Still got the sound, but at a near whispered volume
- App fails to recognize the connected device multiple times
- Even pressing “connect” within the app does nothing
- Rarely registers my Qudelix
- For some reason the EQ just doesn’t sound right
- No app connection
- Connects in phone; not detected in app, even in pairing mode
- Doesn’t work with FW2.0
- 5K also playing up with buttons not working correctly etc.
- Battery graph is unusable on iPadOS
- App is very frustrating to use on the iPad since it opens with gigantic black bezels
Requested features
10 requests- How to set a preset for PEQ for each headphone
- Firefox or Safari extension
- Dark mode
- Live 20 band VU meter displayed in low opacity behind EQ curve
- Update autoeq list
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- Allow importing autoeqs
- German translation
- Toggle absolute volume and volume protection
- Native iPad UI
- Enable modern iPadOS multitasking paradigms
EFNOTE Tools (Mobile)
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Qudelix
No in-app purchases
EFNOTE Tools (Mobile)
No in-app purchases
Questions
Is Qudelix free?
Is EFNOTE Tools (Mobile) free?
Which has better reviews, Qudelix or EFNOTE Tools (Mobile)?
Do Qudelix or EFNOTE Tools (Mobile) have ads?
Which is updated more often, Qudelix or EFNOTE Tools (Mobile)?
Other comparisons
