# SVS vs QRS Tracks

The clearest difference is rating: QRS Tracks at 5.0 against SVS's 4.2. QRS Tracks also leads on review sentiment (100% vs 68%) and device support (4 vs 2). SVS's advantage is ratings volume (95 vs 9). On price, update cadence, 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.

QRS Tracks holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: SVS has 95 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 68% of SVS's written reviews are positive against 100% of QRS Tracks's.

SVS ships an update every 2 months, QRS Tracks every 6 weeks. The most recent releases landed on October 15, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | SVS | QRS Tracks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (95 ratings)](https://appshunter.io/ios/app/svs/id1148462104/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/qrs-tracks/id1589215518/reviews)** |
| Number of ratings | **95** | 9 |
| Positive reviews | 68.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 34 MB | 24 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Specialty Technologies, LLC.](https://appshunter.io/developer/1148462103) | [QRS Music](https://appshunter.io/developer/1034510122) |

## What reviewers say

### SVS

[App page](https://appshunter.io/ios/app/svs/id1148462104)

Control and optimize your SVS subwoofer's performance with advanced DSP features. Adjust volume, fine-tune audio for music and movies, and correct room anomalies for the deepest, tightest bass.

**Highlights:** Advanced DSP functionality, Room anomaly correction, Customizable presets, Volume control, Low pass filter adjustment, Parametric EQ, Port tuning

**In-app purchases:** none

**What reviewers like**

- 👍 Great app for subwoofer control
- 🚀 Intuitive and easy to use
- 💡 Powerful functionality at fingertips
- ✨ Excellent for fine-tuning settings
- ✅ Works reliably for many users

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 App crashes frequently
- 🐛 Preset saving issues
- 🐛 Not intuitive for multiple subs
- 🐛 Lacks auto room correction

**Reported bugs**

- App crashes frequently
- Never reconnects to sub, requires reinstallation
- Preset saving is unreliable or doesn't work
- Bluetooth connection issues (out of range, drops)
- Phantom BLE connection locks out other devices

**Requested features**

- Group subs for simultaneous adjustments
- Mute function
- Auto room correction
- Widget for quick preset changes
- Apple Watch app for adjustments


### QRS Tracks

[App page](https://appshunter.io/ios/app/qrs-tracks/id1589215518)

Capture musical ideas and performances on the go with audio and biometric data. Upload to a cloud account for playback, analysis, and sharing with others. Integrates with Apple Health for heart rate and steps.

**Highlights:** On-the-fly audio and biometric recording, Cloud saving to QRS-Connect.com, Playback with graphical biometric data, Auto-naming and archiving of tracks, Control track visibility, Integration with Apple Health

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SVS free?

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

### Is QRS Tracks free?

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

### Which has better reviews, SVS or QRS Tracks?

QRS Tracks is rated higher. SVS averages 4.2 out of 5 from 95 ratings, while QRS Tracks averages 5.0 from 9 ratings.

### Do SVS or QRS Tracks have ads?

Neither SVS nor QRS Tracks shows ads.

### Which is updated more often, SVS or QRS Tracks?

SVS ships an update every 2 months, and QRS Tracks every 6 weeks. Most recently, SVS was updated on October 15, 2026 and QRS Tracks on September 29, 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.*