Tonality Trainer vs Tonality Visualizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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!
Tonality Visualizer
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Tonality Visualizer is an interactive polar-pitch map that displays musical notes on a rotating disk. You can connect a MIDI keyboard or open a MIDI file — every note appears in real time. The app helps you see harmony, motion, and chord relationships, even without formal music theory. Main Features •MIDI Input: visualize notes directly from your keyboard or MIDI device. •MIDI File Playback / Trainer Mode: play or practice chord by chord. •Live Sound Option: enable/disable the built-in synth for input playback. •Physics-based Disk Rotation: the disk moves naturally according to musical torque. •Simple UI: switch between water-fixed / disk-fixed anchors, toggle UI visibility, bilingual JP/EN. Perfect for music learners, creators, and anyone who wants to “see” sound. Privacy No data collection. All processing happens locally on your device. License Open-source under the MIT License. Source code available on GitHub. Supported Formats •.mid / .midi files (Format 0 / 1) •CoreMIDI device input
Screenshots
Verdict
The clearest difference is update cadence: Tonality Visualizer at fortnightly against Tonality Trainer's monthly. Tonality Trainer's advantage is iOS requirement (8.0 vs 18.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Tonality Trainer ships an update monthly, Tonality Visualizer fortnightly. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.
| Parameter | Tonality Trainer | Tonality Visualizer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 29 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | CAN SENER | Yusuke Yoshida |
In-app purchases
Tonality Trainer
No in-app purchases
Tonality Visualizer
No in-app purchases
Questions
Is Tonality Trainer free?
Is Tonality Visualizer free?
Do Tonality Trainer or Tonality Visualizer have ads?
Which is updated more often, Tonality Trainer or Tonality Visualizer?
Other comparisons
