# Jazz ScaleHelper vs Quartet 3

The clearest difference is price: Jazz ScaleHelper at $5.99 against Quartet 3's $16.99. Quartet 3's advantage is review sentiment (90% vs 50%). On update cadence, ads, in-app purchases and device support there is nothing between them.

Jazz ScaleHelper costs $5.99 and Quartet 3 $16.99 up front. Jazz ScaleHelper sells 11 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.

Jazz ScaleHelper ships an update every 6 weeks, Quartet 3 every 5 weeks. The most recent releases landed on September 21, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Jazz ScaleHelper | Quartet 3 |
| --- | --- | --- |
| Price | **$5.99** | $16.99 |
| Rating | — | **[4.5 (14 ratings)](https://appshunter.io/ios/app/quartet-3/id6740534501/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | 50.0% of reviews | **90.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 9 MB | 503 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Richard Williams](https://appshunter.io/developer/1792912830) | [UK Music Apps Ltd](https://appshunter.io/developer/579320222) |

## What reviewers say

### Jazz ScaleHelper

[App page](https://appshunter.io/ios/app/jazz-scalehelper/id567707566)

Improve your musical instrument playing with interactive exercises and real-time feedback. Practice scales, modes, and arpeggios with scoring and performance analysis. Ideal for exam preparation and general skill enhancement.

**Highlights:** Interactive scale and arpeggio practice, Real-time performance scoring, Multiple practice modes (play any, choose, challenge), Supports Trinity Guildhall and ABRSM syllabuses, Wide range of scales, modes, and arpeggios, Supports multiple instruments, Multi-user support with saved history

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Saxophone TRINITY G4 | $0.99 | one-time |
| Saxophone TRINITY G7 | $0.99 | one-time |
| Saxophone ABRSM G1 to G3 | $0.99 | one-time |
| Saxophone ABRSM G4 | $0.99 | one-time |
| Saxophone ABRSM G5 | $0.99 | one-time |
| Trumpet ABRSM G1 to G3 | $0.99 | one-time |
| Trumpet ABRSM G4 | $0.99 | one-time |
| Trumpet ABRSM G5 | $0.99 | one-time |
| Clarinet TRINITY G1 to G8 | $2.99 | one-time |
| Flute TRINITY G1 to G8 | $2.99 | one-time |
| Saxophone TRINITY G1 to G8 | $2.99 | one-time |


### 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 Jazz ScaleHelper free?

Jazz ScaleHelper costs $5.99, and also offers in-app purchases.

### Is Quartet 3 free?

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

### Do Jazz ScaleHelper or Quartet 3 have ads?

Neither Jazz ScaleHelper nor Quartet 3 shows ads.

### Which is updated more often, Jazz ScaleHelper or Quartet 3?

Jazz ScaleHelper ships an update every 6 weeks, and Quartet 3 every 5 weeks. Most recently, Jazz ScaleHelper was updated on September 21, 2026 and Quartet 3 on September 27, 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.*