# Sheet Music Reader Halbestunde vs Quartet 4

The clearest difference is review sentiment: Quartet 4 at 89% against Sheet Music Reader Halbestunde's 36%. Quartet 4 also leads on rating (4.7 vs 4.3). Sheet Music Reader Halbestunde's advantage is price (Free vs $16.99) and ratings volume (1.5K vs 20). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Sheet Music Reader Halbestunde is free to download; Quartet 4 costs $16.99 up front. Sheet Music Reader Halbestunde sells 11 in-app purchases, starting at $6.99 per month and Quartet 4 sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Quartet 4 holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Sheet Music Reader Halbestunde has 1.5K ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 36% of Sheet Music Reader Halbestunde's written reviews are positive against 89% of Quartet 4's.

Sheet Music Reader Halbestunde ships an update fortnightly, Quartet 4 monthly. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Sheet Music Reader Halbestunde | Quartet 4 |
| --- | --- | --- |
| Price | **Free** | $16.99 |
| Rating | [4.3 (1.5K ratings)](https://appshunter.io/ios/app/sheet-music-reader-halbestunde/id1519736220/reviews) | **[4.7 (20 ratings)](https://appshunter.io/ios/app/quartet-4/id6740534761/reviews)** |
| Number of ratings | **1.5K** | 20 |
| Positive reviews | 36.2% of reviews | **89.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#152** | — |
| Size | 129 MB | 528 MB |
| Requires iOS | 17 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Halbestunde GmbH](https://appshunter.io/developer/1519736222) | [UK Music Apps Ltd](https://appshunter.io/developer/579320222) |

## What reviewers say

### Sheet Music Reader Halbestunde

[App page](https://appshunter.io/ios/app/sheet-music-reader-halbestunde/id1519736220)

**Currently charting:** #152 Top Grossing · Music, #192 Top Free · Music (US App Store)

Transform sheet music into an interactive learning experience. Scan, transpose, and practice with virtual instrument displays and customizable tools. Ideal for musicians of all levels to improve their skills.

**Highlights:** Accurate sheet music scanning, Effortless transposition, Virtual instrument display, Customized practice tools, Seamless export options, Multi-instrument support

**Features:** Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIRTUOSO one month | $6.99 | per month |
| MAESTRO 1 month | $12.99 | per month |
| 3 month subscription | $19.99 | per 3 months |
| Yearly subscription | $19.99 | per year |
| 6 months subscription | $32.99 | per 6 months |
| Yearly Subscription | $39.99 | per year |
| Yearly subscription | $39.99 | per year |
| VIRTUOSO one year | $39.99 | per year |
| Yearly subscription | $49.99 | per year |
| MAESTRO 1 year | $59.99 | per year |
| Halbestunde Lifetime Pro | $79.99 | one-time |

**What reviewers like**

- 🚀 Accurate scanning
- ⚙️ Helpful for music students
- 🎶 Good for practicing
- 🔍 Works well with classical music
- 🔁 Useful transposition feature

**What reviewers complain about**

- 🔒 Locked behind paywall
- 🐛 Inaccurate note recognition
- 🔇 Poor audio playback quality
- 🚫 Lack of instrument options
- ⏱️ Slow processing times

**Reported bugs**

- Crashes when trying to play back music
- Fails to recognize certain music notation
- Issues with scanning PDFs and images
- Incorrect tempo and timing in playback

**Requested features**

- Add support for percussion instruments
- Improve scanning accuracy for complex rhythms
- Allow editing of scanned music
- Provide more free sheet music options
- Implement a metronome feature


### 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 Sheet Music Reader Halbestunde free?

Sheet Music Reader Halbestunde is free to download, with in-app purchases available.

### Is Quartet 4 free?

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

### Which has better reviews, Sheet Music Reader Halbestunde or Quartet 4?

Quartet 4 is rated higher. Sheet Music Reader Halbestunde averages 4.3 out of 5 from 1.5K ratings, while Quartet 4 averages 4.7 from 20 ratings.

### Do Sheet Music Reader Halbestunde or Quartet 4 have ads?

Neither Sheet Music Reader Halbestunde nor Quartet 4 shows ads.

### Which is updated more often, Sheet Music Reader Halbestunde or Quartet 4?

Sheet Music Reader Halbestunde ships an update fortnightly, and Quartet 4 monthly. Most recently, Sheet Music Reader Halbestunde was updated on October 27, 2026 and Quartet 4 on October 26, 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.*