# iGigBook Sheet Music Manager vs Quartet 3

The clearest difference is ratings volume: iGigBook Sheet Music Manager at 1.5K against Quartet 3's 23. iGigBook Sheet Music Manager also leads on iOS requirement (12.0 vs 16.6). Quartet 3's advantage is review sentiment (90% vs 68%) and price ($16.99 vs $19.99). On rating, update cadence, ads and in-app purchases there is nothing between them.

iGigBook Sheet Music Manager costs $19.99 and Quartet 3 $16.99 up front. iGigBook Sheet Music Manager sells 5 one-off in-app purchases and Quartet 3 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 iGigBook Sheet Music Manager against 4.7 for Quartet 3. That said, the two scores are not equally well evidenced: iGigBook Sheet Music Manager has 1.5K ratings behind it against 23, so its average is the more settled of the two. Written reviews are what separate them: 68% of iGigBook Sheet Music Manager's written reviews are positive against 90% of Quartet 3's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | iGigBook Sheet Music Manager | Quartet 3 |
| --- | --- | --- |
| Price | $19.99 | **$16.99** |
| Rating | [4.6 (1.5K ratings)](https://appshunter.io/ios/app/igigbook-sheet-music-manager/id396323113/reviews) | **[4.7 (23 ratings)](https://appshunter.io/ios/app/quartet-3/id6740534501/reviews)** |
| Number of ratings | **1.5K** | 23 |
| Positive reviews | 68.0% of reviews | **90.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 25 MB | 528 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Black & White Software LLC](https://appshunter.io/developer/392992370) | [UK Music Apps Ltd](https://appshunter.io/developer/579320222) |

## What reviewers say

### iGigBook Sheet Music Manager

[App page](https://appshunter.io/ios/app/igigbook-sheet-music-manager/id396323113)

Organize all your digital sheet music, including real books, chord charts, and scores. Instantly find any song with a powerful search engine and access your entire music library for any gig. Supports PDF and image files, with advanced editing and annotation tools.

**Highlights:** Organize PDF sheet music, Powerful song search engine, Customizable page scrolling, Cut & Paste music sections, Transpose lead sheets, Draw on scores, Integrated metronome

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Transposable Jazz Chord Charts | Free | one-time |
| Holiday Charts Transpose | Free | one-time |
| Transposable Pop Chord Charts | Free | one-time |
| Additional Features Pack | $9.99 | one-time |
| Book Tranpose Feature | $19.99 | one-time |

**What reviewers like**

- 🚀 Convenient and organized
- 🚀 Searchable fake book indexes
- 🚀 Ability to create setlists
- 🚀 Transposable chord sheets
- 👍 Useful for gigging musicians

**What reviewers complain about**

- 🐛 Buggy and crashes frequently
- 🐛 Difficult to set up and use
- 🐛 Indexing issues with PDFs
- 🐛 Clunky and unintuitive interface
- 🐛 Lack of support and documentation

**Reported bugs**

- Crashes on startup
- Page turning issues
- Incorrect song indexing
- Compatibility problems with newer devices

**Requested features**

- Landscape mode
- Easier PDF management and editing
- More seamless integration with other apps
- Better support and documentation


### Quartet 3

[App page](https://appshunter.io/ios/app/quartet-3/id6740534501)

Enhance your jazz performance and practice with live studio recordings of jazz standards. Mute your instrument to play along, change keys, adjust tempo, and loop sections for focused learning. Features animated chord diagrams and playlist creation for seamless practice sessions.

**Highlights:** Live jazz standards play-along, Mute your instrument, Change key and tempo, Loop sections for practice, Animated chord diagrams, Multi-app playlist creation, Multitrack export

**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 tool for drum teachers
- 👍 Huge selection of styles and tempos
- 👍 Ability to mute drums for playing along
- 👍 High-quality audio recordings
- 👍 Intuitive and easy to use interface


## Frequently asked questions

### Is iGigBook Sheet Music Manager free?

iGigBook Sheet Music Manager costs $19.99, and also offers in-app purchases.

### Is Quartet 3 free?

Quartet 3 costs $16.99, and also offers in-app purchases.

### Which has better reviews, iGigBook Sheet Music Manager or Quartet 3?

Quartet 3 is rated higher. iGigBook Sheet Music Manager averages 4.6 out of 5 from 1.5K ratings, while Quartet 3 averages 4.7 from 23 ratings.

### Do iGigBook Sheet Music Manager or Quartet 3 have ads?

Neither iGigBook Sheet Music Manager nor Quartet 3 shows ads.

### Which is updated more often, iGigBook Sheet Music Manager or Quartet 3?

iGigBook Sheet Music Manager ships an update monthly, and Quartet 3 monthly. Most recently, iGigBook Sheet Music Manager was updated on November 1, 2026 and Quartet 3 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.*