Qudelix vs Sennheiser Smart Control Plus
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.
Sennheiser Smart Control Plus
This application provides advanced control and personalization for compatible Sennheiser headphones. Users can customize audio, manage noise cancellation, update firmware, and locate their devices. It offers features like Sound Zones and a Fit Test for an enhanced listening experience.
- Firmware Updates
- Customizable Equalizer
- Sound Personalization
- Sound Zones
- Fit Test
- Find Headphones
- Noise Cancellation Control
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Introducing Sennheiser Smart Control Plus: The Ultimate Sound Control App for Your Sennheiser Headphones Compatibility: Sennheiser Smart Control Plus works with a wide range of Sennheiser products, including MOMENTUM True Wireless 5, ACCENTUM Clip, MOMENTUM 5, HDB 630, MOMENTUM 4, MOMENTUM True Wireless 4, ACCENTUM Plus, ACCENTUM, ACCENTUM True Wireless, MOMENTUM Sport, ACCENTUM True Wireless, MOMENTUM True Wireless 3, CX TW, CX Sport TW, CX TW Plus. Please note that feature availability may vary depending on the product. Experience unparalleled sound control and personalization with Sennheiser Smart Control Plus, the next-generation app designed to enhance your Sennheiser headphones. With a sleek, modern interface and a host of innovative features, Smart Control Plus puts you in command of your audio experience like never before. - Firmware Updates: Keep your devices running smoothly with the latest software and firmware updates. - My Sound: Customize your audio with a powerful combination of Equalizer, Sound Personalization, Sound Check, and EQ presets. - Sound Zones: Automatically adjust your audio settings based on your current location. - Fit Test: Ensure the perfect fit for your earbuds with our intuitive Fit Test feature. - Find Headphones: Never lose your headphones again with the built-in Find Headphones function. - Auracast Assistant: Seamlessly manage your Auracast-enabled devices. - Noise Cancellation and Transparency: Effortlessly configure and control noise cancellation and transparency settings. Upgrade Now: To access these exciting new features, please upgrade to Sennheiser Smart Control Plus. Enjoy enhanced stability, improved performance, and a future-proof app designed to evolve with your needs. Upgrade to Sennheiser Smart Control Plus and take control of your sound experience today!
Screenshots
Verdict
The clearest difference is rating: Sennheiser Smart Control Plus at 4.8 against Qudelix's 4.4. Sennheiser Smart Control Plus also leads on ratings volume (5K vs 84). On price, review sentiment, 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.
Sennheiser Smart Control Plus holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Sennheiser Smart Control Plus has 5K ratings behind it against 84, 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 73% of Sennheiser Smart Control Plus's.
Qudelix ships an update every 3 weeks, Sennheiser Smart Control Plus monthly. The most recent releases landed on October 29, 2026 and November 1, 2026 respectively.
| Parameter | Qudelix | Sennheiser Smart Control Plus |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (84 ratings) | 4.8 (5K ratings) — better |
| Positive reviews | 68.9% of reviews | 72.5% of reviews — better |
| Number of ratings | 84 | 5K — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 27 MB | 190 MB |
| Age rating | 4+ | 4+ |
| Developer | Qudelix, Inc. | Sonova Consumer Hearing GmbH |
Customer experience
Qudelix
Sennheiser Smart Control Plus
User reviews
Qudelix
From 84 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
Sennheiser Smart Control Plus
From 5K App Store ratingsWhat we love
- 🍻 ANC OFF/ON control
- 👍 Seamless functionality
- 🚀 Fluid and responsive
- 💡 Customizable EQ presets
- 👍 Helpful app features
Room to improve
- 🐛 Connectivity issues
- 🐛 Firmware update problems
- 🐛 Headphone detection problems
- 🔋 Battery life concerns
- 👎 Dysfunctional app
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
Sennheiser Smart Control Plus
Reported bugs
3 issues- Headphones not detected in sound personalization
- Headphones not connecting to app
- Firmware update issues
Requested features
4 requests- Widget for easier control
- Transfer devices from old app
- iPad mode
- Audio cable options
In-app purchases
Qudelix
No in-app purchases
Sennheiser Smart Control Plus
No in-app purchases
Questions
Is Qudelix free?
Is Sennheiser Smart Control Plus free?
Which has better reviews, Qudelix or Sennheiser Smart Control Plus?
Do Qudelix or Sennheiser Smart Control Plus have ads?
Which is updated more often, Qudelix or Sennheiser Smart Control Plus?
Other comparisons
