# ELAC SUB Control 2.0 vs Qudelix

The clearest difference is rating: Qudelix at 4.3 against ELAC SUB Control 2.0's 2.7. Qudelix also leads on review sentiment (70% vs 30%). ELAC SUB Control 2.0's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (9.3 vs 15.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

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, 4.3 against 2.7. Both are backed by a comparable volume of ratings — 34 and 86 respectively. Written reviews point the same way: 30% of ELAC SUB Control 2.0's written reviews are positive against 70% of Qudelix's.

ELAC SUB Control 2.0 ships an update every 2 weeks, Qudelix every 6 weeks. The most recent releases landed on November 2, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | ELAC SUB Control 2.0 | Qudelix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (34 ratings)](https://appshunter.io/ios/app/elac-sub-control-20/id1359361359/reviews) | **[4.3 (86 ratings)](https://appshunter.io/ios/app/qudelix/id1515641059/reviews)** |
| Number of ratings | 34 | **86** |
| Positive reviews | 30.5% of reviews | **69.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 43 MB | 21 MB |
| Requires iOS | **9.3** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ELAC Americas Inc.](https://appshunter.io/developer/1547394447) | [Qudelix, Inc.](https://appshunter.io/developer/1515641058) |

## What reviewers say

### ELAC SUB Control 2.0

[App page](https://appshunter.io/ios/app/elac-sub-control-20/id1359361359)

Control and integrate your ELAC subwoofers directly from your smartphone. Adjust volume, EQ, phase, and more with an advanced digital system. Supports multiple subwoofers simultaneously for a seamless audio experience.

**Highlights:** Volume control, Preset selection, Low pass adjustment, Phase control, Delay settings, Parametric EQ, Auto EQ

**Features:** macOS Compatibility

**In-app purchases:** none


### Qudelix

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

This app serves as an official remote controller for compatible Qudelix DAC/AMP devices. It allows users to connect via Bluetooth to manage audio settings, customize equalizers, and monitor device status. Users can adjust volume, DAC settings, and update device firmware.

**Highlights:** Device control and status monitoring via Bluetooth, Equalizer settings and preset management, Volume control, DAC and audio output settings, Battery status monitoring, Device firmware updates

**Features:** macOS Compatibility, Vision Pro support

**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


## Frequently asked questions

### Is ELAC SUB Control 2.0 free?

ELAC SUB Control 2.0 is free to download, with no in-app purchases.

### Is Qudelix free?

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

### Which has better reviews, ELAC SUB Control 2.0 or Qudelix?

Qudelix is rated higher. ELAC SUB Control 2.0 averages 2.7 out of 5 from 34 ratings, while Qudelix averages 4.3 from 86 ratings.

### Do ELAC SUB Control 2.0 or Qudelix have ads?

Neither ELAC SUB Control 2.0 nor Qudelix shows ads.

### Which is updated more often, ELAC SUB Control 2.0 or Qudelix?

ELAC SUB Control 2.0 ships an update every 2 weeks, and Qudelix every 6 weeks. Most recently, ELAC SUB Control 2.0 was updated on November 2, 2026 and Qudelix on November 11, 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.*