FiiO Control vs Qudelix
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FiiO Control
This application allows users to customize and control their FiiO Bluetooth audio devices. Adjust audio settings, equalizer profiles, and general device functions for an enhanced listening experience.
- Customize general functions (charging, RGB, DAC mode)
- Adjust equalizer settings
- Change audio settings (digital filter, channel balance)
- Access embedded user guide
- Connect to supported FiiO Bluetooth devices
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FiiO Control app is designed exclusively for controlling FiiO Bluetooth devices. You can use this app to change the audio settings, equalizer and other functions of your FiiO Bluetooth device. Features: 1. Customize the general functions such as Charging on-off, RGB indicator light on-off, in-vehicle mode, DAC work mode, etc; 2. Adjust the equalizer; 3. Change audio settings such as digital filter, channel balance, etc. 4. View the embedded user guide for device introductions; Note: This app currently supports connecting with FiiO Q5, Q5s, BTR3, BTR3K, BTR5, EH3 NC, LC-BT2. The support for newer models will be added once they're available. Due to the differences in Bluetooth chips and DAC chips, the settings for each model may vary. Please refer to the menus that appear after device connection for the actual settings. ----------------------------------------------------------- If you have any questions of using this app or any suggestions, feel free to contact us using the below methods: E-mail: support@fiio.net FiiO website: http://www.fiio.net Facebook: https://www.facebook.com/FiiOAUDIO
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.
Screenshots
Verdict
The clearest difference is review sentiment: Qudelix at 69% against FiiO Control's 13%. Qudelix also leads on rating (4.4 vs 2.5) and ratings volume (78 vs 24). On price, update cadence, ads and in-app purchases 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. Both are backed by a comparable volume of ratings — 24 and 78 respectively. Written reviews point the same way: 13% of FiiO Control's written reviews are positive against 69% of Qudelix's.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.
| Parameter | FiiO Control | Qudelix |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (24 ratings) | 4.4 (78 ratings) — better |
| Positive reviews | 13.2% of reviews | 68.9% of reviews — better |
| Number of ratings | 24 | 78 — better |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 212 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | 广州飞傲电子科技有限公司 | Qudelix, Inc. |
Customer experience
FiiO Control
Qudelix
User reviews
FiiO Control
From 24 App Store ratingsWhat we love
- 👍 Works well
- 🚀 Equalizer functionality
- 🚀 Firmware updates
- 🚀 Device controls
Room to improve
- 🐛 Connectivity issues
- 🐛 Buggy and unreliable
- 🐛 Crashes and freezes
- 🐛 Lack of device support
- 🐛 Unresponsive app
Qudelix
From 78 App Store ratingsWhat we love
- 👍 Excellent app, works perfect
- 💡 Amazing EQ results
- 🚀 Super long term support
- 👍 NO bugs. Runs well.
- 👍 Great control app
Room to improve
- 🐛 UI clearly created by engineers
- 🐛 Documentation not updated correctly
- 🐛 Unacceptable basic feature setup
- 🐛 Won't recognize Bluetooth devices
- 🐛 Useless if can't connect device
Bugs and requests
FiiO Control
Reported bugs
5 issues- App not detecting devices
- Connection failures
- Crashes on startup
- Settings not persisting
- Incompatibility with newer devices and iOS versions
Requested features
6 requests- More customizable EQ
- Multiple EQ presets
- Parametric EQ
- Firmware update support
- Wider device compatibility
Show 1 moreShow fewer
- Improved app stability and reliability
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
In-app purchases
FiiO Control
No in-app purchases
Qudelix
No in-app purchases
