# EGK CTransposer vs Quartet 6

The clearest difference is price: EGK CTransposer at $3.99 against Quartet 6's $16.99. Quartet 6's advantage is update cadence (every 2 weeks vs every 7 months) and chart position (#136 vs unranked). On ads, in-app purchases and device support there is nothing between them.

EGK CTransposer costs $3.99 and Quartet 6 $16.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EGK CTransposer ships an update every 7 months, Quartet 6 every 2 weeks. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | EGK CTransposer | Quartet 6 |
| --- | --- | --- |
| Price | **$3.99** | $16.99 |
| Rating | — | **[5.0 (24 ratings)](https://appshunter.io/ios/app/quartet-6/id6753187058/reviews)** |
| Number of ratings | — | **24** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | — | Paid |
| Best chart rank | — | **#136** |
| Size | 5 MB | 522 MB |
| Requires iOS | 18.5 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Isaac Eng Gian Khor](https://appshunter.io/developer/1808933315) | [UK Music Apps Ltd](https://appshunter.io/developer/579320222) |

## What reviewers say

### EGK CTransposer

[App page](https://appshunter.io/ios/app/egk-ctransposer/id6748041656)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quartet 6

[App page](https://appshunter.io/ios/app/quartet-6/id6753187058)

**Currently charting:** #136 Top Paid · Music (US App Store)

Enhance your jazz performance with a vast library of live-recorded standards. Mute your instrument to play along, change keys, adjust tempo, and loop sections for focused practice. Features animated chord diagrams and royalty-free multitrack exports for further development.

**Highlights:** Live jazz standards play-along, Mute instrument tracks, Adjustable tempo and key, Looping practice sections, Animated chord diagrams, Multitrack audio export, Royalty-free content

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EGK CTransposer free?

EGK CTransposer costs $3.99, with no in-app purchases.

### Is Quartet 6 free?

Quartet 6 costs $16.99, with no in-app purchases.

### Do EGK CTransposer or Quartet 6 have ads?

Neither EGK CTransposer nor Quartet 6 shows ads.

### Which is updated more often, EGK CTransposer or Quartet 6?

EGK CTransposer ships an update every 7 months, and Quartet 6 every 2 weeks. Most recently, EGK CTransposer was updated on October 10, 2026 and Quartet 6 on October 25, 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.*