# WatchMusic vs Quartet 4

The clearest difference is price: WatchMusic at $0.99 against Quartet 4's $16.99. WatchMusic also leads on in-app purchases (none vs 5) and update cadence (fortnightly vs monthly). Quartet 4's advantage is rating (4.7 vs 2.2) and review sentiment (89% vs 50%). On ads, monetization model, device support and iOS requirement there is nothing between them.

WatchMusic costs $0.99 and Quartet 4 $16.99 up front. Quartet 4 sells 5 one-off in-app purchases. WatchMusic asks for nothing beyond the download.

Quartet 4 holds the better App Store score, 4.7 against 2.2. Both are backed by a comparable volume of ratings — 5 and 18 respectively. Written reviews point the same way: 50% of WatchMusic's written reviews are positive against 89% of Quartet 4's.

WatchMusic ships an update fortnightly, Quartet 4 monthly. The most recent releases landed on October 18, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | WatchMusic | Quartet 4 |
| --- | --- | --- |
| Price | **$0.99** | $16.99 |
| Rating | [2.2 (5 ratings)](https://appshunter.io/ios/app/watchmusic/id6446092951/reviews) | **[4.7 (18 ratings)](https://appshunter.io/ios/app/quartet-4/id6740534761/reviews)** |
| Number of ratings | 5 | **18** |
| Positive reviews | 50.0% of reviews | **89.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Paid | Paid |
| Size | 5 MB | 528 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Hugo Mason](https://appshunter.io/developer/1583995104) | [UK Music Apps Ltd](https://appshunter.io/developer/579320222) |

## What reviewers say

### WatchMusic

[App page](https://appshunter.io/ios/app/watchmusic/id6446092951)

Access your entire Apple Music library, including songs, albums, playlists, and stations, directly from your Apple Watch. Control playback, search the catalog, and get personalized recommendations without needing your iPhone.

**Highlights:** Apple Music library access, Playback control, Music search, Personalized recommendations, Playlist and station support

**Features:** Apple Watch app

**In-app purchases:** none


### Quartet 4

[App page](https://appshunter.io/ios/app/quartet-4/id6740534761)

Practice and perform jazz standards with high-quality backing tracks. Mute your instrument, change keys, adjust tempo, and loop sections for focused practice. Features animated chord diagrams and royalty-free multitrack exports for further creative use.

**Highlights:** Live jazz backing tracks, Mute your instrument, Change key and tempo, Looping for practice, Animated chord diagrams, Multitrack export, Playlist creation

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade song | $0.99 | one-time |
| Buy 10 tokens | $8.99 | one-time |
| Buy 20 tokens | $14.99 | one-time |
| Buy 50 tokens | $22.99 | one-time |
| Upgrade all songs | $39.99 | one-time |

**What reviewers like**

- 👍 Superb interface
- 🎨 Accurately labels tracks by style
- 🎶 Live instrument recordings
- 🔀 Ability to separate and send tracks
- 🎨 High-quality presentation and performance

**Requested features**

- More guitar in rhythm section for future volumes


## Frequently asked questions

### Is WatchMusic free?

WatchMusic costs $0.99, with no in-app purchases.

### Is Quartet 4 free?

Quartet 4 costs $16.99, and also offers in-app purchases.

### Which has better reviews, WatchMusic or Quartet 4?

Quartet 4 is rated higher. WatchMusic averages 2.2 out of 5 from 5 ratings, while Quartet 4 averages 4.7 from 18 ratings.

### Do WatchMusic or Quartet 4 have ads?

Neither WatchMusic nor Quartet 4 shows ads.

### Which is updated more often, WatchMusic or Quartet 4?

WatchMusic ships an update fortnightly, and Quartet 4 monthly. Most recently, WatchMusic was updated on October 18, 2026 and Quartet 4 on October 22, 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.*