# QRS Tracks vs Woojer MAT

The clearest difference is review sentiment: QRS Tracks at 100% against Woojer MAT's 0%. QRS Tracks also leads on rating (5.0 vs 1.8) and iOS requirement (13.0 vs 15.0). Woojer MAT's advantage is update cadence (every 4 days vs every 6 weeks). 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.

QRS Tracks holds the better App Store score, 5.0 against 1.8. Both are backed by a comparable volume of ratings — 10 and 8 respectively. Written reviews point the same way: 100% of QRS Tracks's written reviews are positive against 0% of Woojer MAT's.

QRS Tracks ships an update every 6 weeks, Woojer MAT every 4 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | QRS Tracks | Woojer MAT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/qrs-tracks/id1589215518/reviews)** | [1.8 (8 ratings)](https://appshunter.io/ios/app/woojer-mat/id6752343241/reviews) |
| Number of ratings | **10** | 8 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Free | Free |
| Size | 24 MB | 48 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [QRS Music](https://appshunter.io/developer/1034510122) | [Woojer Ltd](https://appshunter.io/developer/912349084) |

## What reviewers say

### 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


### Woojer MAT

[App page](https://appshunter.io/ios/app/woojer-mat/id6752343241)

Experience vibroacoustic therapy with a library of wellness and mindfulness sound experiences. This app uses low-frequency waves to melt stress, relieve tension, and restore balance, connecting sound, body, and mind.

**Highlights:** Vibroacoustic therapy experiences, Wellness and mindfulness library, Low-frequency sound waves, Stress relief and tension reduction, Promotes balance and deep sleep

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QRS Tracks free?

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

### Is Woojer MAT free?

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

### Which has better reviews, QRS Tracks or Woojer MAT?

QRS Tracks is rated higher. QRS Tracks averages 5.0 out of 5 from 10 ratings, while Woojer MAT averages 1.8 from 8 ratings.

### Do QRS Tracks or Woojer MAT have ads?

Neither QRS Tracks nor Woojer MAT shows ads.

### Which is updated more often, QRS Tracks or Woojer MAT?

QRS Tracks ships an update every 6 weeks, and Woojer MAT every 4 days. Most recently, QRS Tracks was updated on November 3, 2026 and Woojer MAT on November 5, 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.*