Simple Transposer vs Jazz Scales Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Transposer
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.
- 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
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Simple Transposer is a musical utility allowing quick transposition between C, Bb & Eb instruments. Designed for immediate response in any musical situation: performing, learning, teaching, etc. A simple study tool to help educate musicians of all ages. Easily transpose between all the basic instruments such as saxophones, clarinets, guitars, trumpets and pianos. Use the top-left control to choose which instrument type to transpose from and use the top-right control to choose which instrument type to transpose to. Tap Letters to change from Sharps to Flats.
Jazz Scales Trainer
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.
- Play-along jazz scale exercises
- Scale transition training
- Customizable accompaniment beats and chords
- Song analysis for scale selection
- Instrument configuration (clef, pitch, range)
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This app trains you on playing jazz solos with a variety of play-along exercises focused on jazz scales. Playing single scales as well as changing from scale to scale is trained. Various accompaniment beats and chords make practicing fun. Get ready for your next jam session by exercising your favorite songs. Listen and select from scale proposals for each bar of your song, after entering the song chords. Configure the app to adapt to your instrument (clef, pitch, range, etc.)
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Simple Transposer | Jazz Scales Trainer |
|---|---|---|
| Price | $0.99 — better | $2.99 |
| Rating | 2.7 (3 ratings) | 3.0 (2 ratings) — better |
| Positive reviews | 50.0% of reviews | 80.0% of reviews — better |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 14 months — better | Every 22 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.2 |
| Further details — not scored | ||
| Size | 7 MB | 8 MB |
| Age rating | +4 | 4+ |
| Developer | Jeff Taboloff | Martin Miller |
Customer experience
Simple Transposer
Jazz Scales Trainer
In-app purchases
Simple Transposer
No in-app purchases
Jazz Scales Trainer
No in-app purchases
Questions
Is Simple Transposer free?
Is Jazz Scales Trainer free?
Which has better reviews, Simple Transposer or Jazz Scales Trainer?
Do Simple Transposer or Jazz Scales Trainer have ads?
Which is updated more often, Simple Transposer or Jazz Scales Trainer?
Other comparisons
