# Simple Transposer vs Jazz Scales Trainer

The clearest difference is review sentiment: Jazz Scales Trainer at 80% against Simple Transposer's 50%. Jazz Scales Trainer also leads on rating (3.0 vs 2.7). Simple Transposer's advantage is price ($0.99 vs $2.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Simple Transposer costs $0.99 and Jazz Scales Trainer $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Jazz Scales Trainer holds the better App Store score, 3.0 against 2.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 50% of Simple Transposer's written reviews are positive against 80% of Jazz Scales Trainer's.

Simple Transposer ships an update every 14 months, Jazz Scales Trainer every 22 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Simple Transposer | Jazz Scales Trainer |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/simple-transposer/id958849348/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/jazz-scales-trainer/id1621849274/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 50.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 14 months** | Every 22 months |
| Monetization | Paid | Paid |
| Size | 7 MB | 8 MB |
| Requires iOS | **15.0** | 15.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Jeff Taboloff](https://appshunter.io/developer/942883940) | [Martin Miller](https://appshunter.io/developer/1621849276) |

## What reviewers say

### Simple Transposer

[App page](https://appshunter.io/ios/app/simple-transposer/id958849348)

This music utility allows musicians to quickly transpose between C, Bb, and Eb instruments. It's designed for immediate response in performance, learning, or teaching scenarios, serving as a simple study tool for all ages.

**Highlights:** Transpose between C, Bb, and Eb instruments, Supports saxophones, clarinets, guitars, trumpets, and pianos, Switch between sharps and flats, Designed for immediate response, Study tool for musicians of all ages

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

**In-app purchases:** none


### Jazz Scales Trainer

[App page](https://appshunter.io/ios/app/jazz-scales-trainer/id1621849274)

Master jazz improvisation with play-along exercises focused on scales. Practice single scales and transitions, with customizable accompaniment beats and chords. Prepare for jam sessions by analyzing your favorite songs and selecting scale proposals for each chord.

**Highlights:** Play-along jazz scale exercises, Scale transition training, Customizable accompaniment beats and chords, Song analysis for scale selection, Instrument configuration (clef, pitch, range)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Transposer free?

Simple Transposer costs $0.99, with no in-app purchases.

### Is Jazz Scales Trainer free?

Jazz Scales Trainer costs $2.99, with no in-app purchases.

### Which has better reviews, Simple Transposer or Jazz Scales Trainer?

Jazz Scales Trainer is rated higher. Simple Transposer averages 2.7 out of 5 from 3 ratings, while Jazz Scales Trainer averages 3.0 from 2 ratings.

### Do Simple Transposer or Jazz Scales Trainer have ads?

Neither Simple Transposer nor Jazz Scales Trainer shows ads.

### Which is updated more often, Simple Transposer or Jazz Scales Trainer?

Simple Transposer ships an update every 14 months, and Jazz Scales Trainer every 22 months. Most recently, Simple Transposer was updated on November 1, 2026 and Jazz Scales Trainer on November 3, 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.*