# Qudelix vs Sennheiser Smart Control Plus

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.

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.

## The numbers

| Metric | Qudelix | Sennheiser Smart Control Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (84 ratings)](https://appshunter.io/ios/app/qudelix/id1515641059/reviews) | **[4.8 (5K ratings)](https://appshunter.io/ios/app/sennheiser-smart-control-plus/id6448098057/reviews)** |
| Number of ratings | 84 | **5K** |
| Positive reviews | 68.9% of reviews | **72.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 27 MB | 190 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Qudelix, Inc.](https://appshunter.io/developer/1515641058) | [Sonova Consumer Hearing GmbH](https://appshunter.io/developer/1590168100) |

## What reviewers say

### Qudelix

[App page](https://appshunter.io/ios/app/qudelix/id1515641059)

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.

**Highlights:** BLE control and monitoring, Equalizer adjustment, Battery level display, Firmware updates, Volume control, Bluetooth codec information

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent app, works perfect
- 💡 Amazing EQ results
- 🚀 Super long term support
- 👍 NO bugs. Runs well.
- 👍 Great control app

**What reviewers complain about**

- 🐛 UI clearly created by engineers
- 🐛 Documentation not updated correctly
- 🐛 Unacceptable basic feature setup
- 🐛 Won't recognize Bluetooth devices
- 🐛 Useless if can't connect device

**Reported bugs**

- 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

**Requested features**

- 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


### Sennheiser Smart Control Plus

[App page](https://appshunter.io/ios/app/sennheiser-smart-control-plus/id6448098057)

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.

**Highlights:** Firmware Updates, Customizable Equalizer, Sound Personalization, Sound Zones, Fit Test, Find Headphones, Noise Cancellation Control

**In-app purchases:** none

**What reviewers like**

- 🍻 ANC OFF/ON control
- 👍 Seamless functionality
- 🚀 Fluid and responsive
- 💡 Customizable EQ presets
- 👍 Helpful app features

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 Firmware update problems
- 🐛 Headphone detection problems
- 🔋 Battery life concerns
- 👎 Dysfunctional app

**Reported bugs**

- Headphones not detected in sound personalization
- Headphones not connecting to app
- Firmware update issues

**Requested features**

- Widget for easier control
- Transfer devices from old app
- iPad mode
- Audio cable options


## Frequently asked questions

### Is Qudelix free?

Qudelix is free to download, with no in-app purchases.

### Is Sennheiser Smart Control Plus free?

Sennheiser Smart Control Plus is free to download, with no in-app purchases.

### Which has better reviews, Qudelix or Sennheiser Smart Control Plus?

Sennheiser Smart Control Plus is rated higher. Qudelix averages 4.4 out of 5 from 84 ratings, while Sennheiser Smart Control Plus averages 4.8 from 5K ratings.

### Do Qudelix or Sennheiser Smart Control Plus have ads?

Neither Qudelix nor Sennheiser Smart Control Plus shows ads.

### Which is updated more often, Qudelix or Sennheiser Smart Control Plus?

Qudelix ships an update every 3 weeks, and Sennheiser Smart Control Plus monthly. Most recently, Qudelix was updated on October 29, 2026 and Sennheiser Smart Control Plus on November 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*