# Jazz ScaleHelper vs Quartet 1

The clearest difference is price: Jazz ScaleHelper at $5.99 against Quartet 1's $19.99. Quartet 1's advantage is review sentiment (84% vs 50%). On update cadence, ads, in-app purchases and device support there is nothing between them.

Jazz ScaleHelper costs $5.99 and Quartet 1 $19.99 up front. Jazz ScaleHelper sells 11 one-off in-app purchases and Quartet 1 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 1 every 2 months. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Jazz ScaleHelper | Quartet 1 |
| --- | --- | --- |
| Price | **$5.99** | $19.99 |
| Rating | — | **[4.7 (155 ratings)](https://appshunter.io/ios/app/quartet-1/id1623038041/reviews)** |
| Number of ratings | — | **155** |
| Positive reviews | 50.0% of reviews | **84.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 9 MB | 706 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 1

[App page](https://appshunter.io/ios/app/quartet-1/id1623038041)

Practice and perform jazz standards with high-quality backing tracks. Mute your instrument, change keys, adjust tempo, and loop sections. Features animated chord diagrams and playlist creation for an enhanced musical experience.

**Highlights:** Live jazz standards backing tracks, Mute your instrument, Change key and tempo, Loop practice sections, 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 | $49.99 | one-time |

**What reviewers like**

- 🎶 Excellent sound quality
- 🎸 Real musicians' performance
- 👍 Great value for money
- 🚀 Flexible tempo and key changes
- 🎵 Inspiring for practice

**What reviewers complain about**

- 🐛 Clunky UI
- 😵 Fiddly tempo adjustment
- 🎚️ Limited mixer options
- 🎛️ No individual instrument volume control
- 🎚️ Sound quality degradation with tempo/key changes

**Reported bugs**

- Playlists disappear
- Playlists replaced by old ones
- Looping parts not saved
- Edits wiped out
- Cannot put song into desired key

**Requested features**

- Dark mode option
- Tap tempo button
- Ability to create own charts
- Export to WAV and MP3
- Export chord chart in different ways


## Frequently asked questions

### Is Jazz ScaleHelper free?

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

### Is Quartet 1 free?

Quartet 1 costs $19.99, and also offers in-app purchases.

### Do Jazz ScaleHelper or Quartet 1 have ads?

Neither Jazz ScaleHelper nor Quartet 1 shows ads.

### Which is updated more often, Jazz ScaleHelper or Quartet 1?

Jazz ScaleHelper ships an update every 6 weeks, and Quartet 1 every 2 months. Most recently, Jazz ScaleHelper was updated on October 14, 2026 and Quartet 1 on October 17, 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.*