# Sheet Music Direct vs Quartet 4

The clearest difference is price: Sheet Music Direct at Free against Quartet 4's $16.99. Sheet Music Direct also leads on ratings volume (4.8K vs 19) and iOS requirement (13.0 vs 16.6). Quartet 4's advantage is review sentiment (89% vs 48%) and update cadence (monthly vs every 4 months). On rating, ads, in-app purchases and device support there is nothing between them.

Sheet Music Direct is free to download; Quartet 4 costs $16.99 up front. Sheet Music Direct sells 9 one-off in-app purchases and Quartet 4 sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Sheet Music Direct against 4.7 for Quartet 4. That said, the two scores are not equally well evidenced: Sheet Music Direct has 4.8K ratings behind it against 19, so its average is the more settled of the two. Written reviews are what separate them: 48% of Sheet Music Direct's written reviews are positive against 89% of Quartet 4's.

Sheet Music Direct ships an update every 4 months, Quartet 4 monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Sheet Music Direct | Quartet 4 |
| --- | --- | --- |
| Price | **Free** | $16.99 |
| Rating | [4.6 (4.8K ratings)](https://appshunter.io/ios/app/sheet-music-direct/id499069309/reviews) | **[4.7 (19 ratings)](https://appshunter.io/ios/app/quartet-4/id6740534761/reviews)** |
| Number of ratings | **4.8K** | 19 |
| Positive reviews | 48.1% of reviews | **89.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 35 MB | 528 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Sheet Music Direct](https://appshunter.io/developer/1749774433) | [UK Music Apps Ltd](https://appshunter.io/developer/579320222) |

## What reviewers say

### Sheet Music Direct

[App page](https://appshunter.io/ios/app/sheet-music-direct/id499069309)

Access over 2.2 million premium sheet music arrangements and guitar tabs. Features include instant transposition, score playback, set lists, and offline mode. An optional subscription offers unlimited streaming and access to a vast library.

**Highlights:** 2.2 million+ sheet music arrangements, Interactive score playback, Instant transposition, Set lists for organization, Offline mode, Bluetooth pedal support, Printable sheet music

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Digital Music Score | $0.99 | one-time |
| Digital Music Score | $1.99 | one-time |
| Digital Music Score | $2.99 | one-time |
| Digital Music Score | $3.99 | one-time |
| Digital Music Score | $4.99 | one-time |
| SMD Product | $4.99 | one-time |
| Digital Music Score | $5.99 | one-time |
| Digital Music Score | $6.99 | one-time |
| Digital Music Score | $9.99 | one-time |

**What reviewers like**

- 🚀 Instant access to a vast library of sheet music
- 📚 Wide variety of genres and arrangements
- 🎹 Ability to transpose and adjust playback settings
- 💾 Convenient for gigging musicians
- 🔍 Helpful for finding obscure or niche songs

**What reviewers complain about**

- 💰 Expensive subscription and per-song costs
- 🔒 Inability to download or print purchased music
- 🐛 Frequent app crashes and bugs
- 🔍 Subpar search functionality and navigation
- 🖌️ Lack of annotation and markup tools

**Reported bugs**

- Disappearing music library after updates
- Playback issues with incorrect tempos and speeds
- Compatibility problems on newer iOS devices
- Inconsistent behavior when changing keys or transposing

**Requested features**

- Add offline access and printing capabilities
- Improve search and browsing experience
- Implement annotation and markup features
- Offer more affordable subscription options
- Optimize app performance and stability


### 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 Direct free?

Sheet Music Direct 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 Direct or Quartet 4?

Quartet 4 is rated higher. Sheet Music Direct averages 4.6 out of 5 from 4.8K ratings, while Quartet 4 averages 4.7 from 19 ratings.

### Do Sheet Music Direct or Quartet 4 have ads?

Neither Sheet Music Direct nor Quartet 4 shows ads.

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

Sheet Music Direct ships an update every 4 months, and Quartet 4 monthly. Most recently, Sheet Music Direct was updated on October 24, 2026 and Quartet 4 on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*