Qudelix vs EFNOTE Tools
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
Read full descriptionHide full description
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
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
Read full descriptionHide full description
EFNOTE Tools is a dedicated app for EFNOTE electronic drums users. With the Version 1.2, you can: - Save or load your customized drum kits to/from your iPhone. - Save or load your trigger settings to/from your iPhone. - Save or load your bus settings to/from your iPhone. (for EFNOTE PRO) - Get the newly released drum kits from our online Kit Library (for EFNOTE 3/5/7/mini) - Swap sounds between two pads (for EFNOTE 3/5/7) - Control pad levels: adjust the level balance of the drums remotely, without individual output connections (for EFNOTE 3/5/7/mini) - Preview sounds - Control the bus mixer, EQ and compressor (for EFNOTE PRO) - Update firmware of your sound module (for EFNOTE 3/5/7/mini) - Easily access to the product support information 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's 2.5. Qudelix also leads on update cadence (every 3 weeks vs every 22 months) and ratings volume (78 vs 2). 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 2.5. That said, the two scores are not equally well evidenced: Qudelix has 78 ratings behind it against 2, 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 50% of EFNOTE Tools's.
Qudelix ships an update every 3 weeks, EFNOTE Tools every 22 months. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.
| Parameter | Qudelix | EFNOTE Tools |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (78 ratings) — better | 2.5 (2 ratings) |
| Positive reviews | 68.9% of reviews — better | 50.0% of reviews |
| Number of ratings | 78 — better | 2 |
| Update frequency | Every 3 weeks — better | Every 22 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 27 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Qudelix, Inc. | Ef-Note Inc. |
Customer experience
Qudelix
EFNOTE Tools
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
Show 20 moreShow fewer
- 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
Show 5 moreShow fewer
- Allow importing autoeqs
- German translation
- Toggle absolute volume and volume protection
- Native iPad UI
- Enable modern iPadOS multitasking paradigms
EFNOTE Tools
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Qudelix
No in-app purchases
EFNOTE Tools
No in-app purchases
