Quinterval vs Tonality Trainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quinterval
Explore the circle of fifths with interactive scale displays. Select keys via touch or slider to view major and parallel minor scales. Customize note notation and clef for a personalized musical experience.
- Interactive circle of fifths
- Major and parallel minor scale display
- Adjustable display range
- Customizable note notation (German, English, Italian)
- Clef selection (G, C, F)
- Key signature display
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Quinterval is an interactive circle of fifths including the display of the corresponding scales. A key in the circle can be selected either by touching the tonic or by turning the slider in the middle. The circle displays both the respective major and parallel minor scales. The display ranges from F-flat major (D-flat minor) to G-sharp major (E-sharp minor). A second slider can be used to move the visible circle section accordingly. The note names can be set between german, english or italian notation. The lower area shows the related major scale with its key signature. The first step and the sixth step with the corresponding minor scale are highlighted. The notes can be displayed with G-Clef, C-Clef or F-Clef. The accidentals can also be displayed before the individual notes. Additional functionality is available as an InApp purchase: - Display the notes of the parallel minor scale - Display triads with their chord names - Playback notes by tapping on them
Tonality Trainer
Learn the names and key signatures of musical tonalities. This application provides a straightforward way to master tonal concepts.
- Learn tonality names
- Learn key signatures
- Music education tool
- Simple interface
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Tonality Trainer helps you to learn the names and key signatures of tonalities!
Screenshots
Verdict
The clearest difference is rating: Tonality Trainer at 5.0 against Quinterval's 4.3. Tonality Trainer also leads on in-app purchases (none vs 1) and update cadence (monthly vs every 8 months). Quinterval's advantage is ratings volume (20 vs 1). On price, ads and device support 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
Both are free to download. Quinterval sells 1 one-off in-app purchase. Tonality Trainer asks for nothing beyond the download.
Tonality Trainer holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Quinterval has 20 ratings behind it against 1, so its average is the more settled of the two.
Quinterval ships an update every 8 months, Tonality Trainer monthly. The most recent releases landed on September 18, 2026 and June 24, 2026 respectively.
| Parameter | Quinterval | Tonality Trainer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (20 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 78.2% of reviews | — |
| Number of ratings | 20 — better | 1 |
| Update frequency | Every 8 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 8.0 — better |
| Further details — not scored | ||
| Size | 43 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Oliver Hahn | CAN SENER |
Customer experience
Quinterval
Tonality Trainer
In-app purchases
Quinterval
- Enhanced Version$0.99
Tonality Trainer
No in-app purchases
Questions
Is Quinterval free?
Is Tonality Trainer free?
Which has better reviews, Quinterval or Tonality Trainer?
Do Quinterval or Tonality Trainer have ads?
Which is updated more often, Quinterval or Tonality Trainer?
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