# Jazz ScaleHelper vs Chord Graph

The clearest difference is in-app purchases: Chord Graph at none against Jazz ScaleHelper's 11. Chord Graph also leads on price ($4.99 vs $5.99). Jazz ScaleHelper's advantage is iOS requirement (15.0 vs 18.0). On ads and device support there is nothing between them.

Jazz ScaleHelper costs $5.99 and Chord Graph $4.99 up front. Jazz ScaleHelper sells 11 one-off in-app purchases. Chord Graph asks for nothing beyond the download.

## The numbers

| Metric | Jazz ScaleHelper | Chord Graph |
| --- | --- | --- |
| Price | $5.99 | **$4.99** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Paid | — |
| Size | 9 MB | 2 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Richard Williams](https://appshunter.io/developer/1792912830) | [DX Wave Limited](https://appshunter.io/developer/441914780) |

## 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 |


### Chord Graph

[App page](https://appshunter.io/ios/app/chord-graph/id6770043799)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Jazz ScaleHelper free?

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

### Is Chord Graph free?

Chord Graph costs $4.99, with no in-app purchases.

### Do Jazz ScaleHelper or Chord Graph have ads?

Neither Jazz ScaleHelper nor Chord Graph shows ads.

---

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