# Tonality Visualizer vs Piano Chord

The clearest difference is update cadence: Piano Chord at every 5 days against Tonality Visualizer's fortnightly. Piano Chord also leads on iOS requirement (13.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tonality Visualizer ships an update fortnightly, Piano Chord every 5 days. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Tonality Visualizer | Piano Chord |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 39 MB | 167 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yusuke Yoshida](https://appshunter.io/developer/1846366607) | [Hideaki Sato](https://appshunter.io/developer/1895156505) |

## What reviewers say

### Tonality Visualizer

[App page](https://appshunter.io/ios/app/tonality-visualizer/id6754036478)

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

**In-app purchases:** none


### Piano Chord

[App page](https://appshunter.io/ios/app/piano-chord/id6763088091)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tonality Visualizer free?

Tonality Visualizer is free to download, with no in-app purchases.

### Is Piano Chord free?

Piano Chord is free to download, with no in-app purchases.

### Do Tonality Visualizer or Piano Chord have ads?

Neither Tonality Visualizer nor Piano Chord shows ads.

### Which is updated more often, Tonality Visualizer or Piano Chord?

Tonality Visualizer ships an update fortnightly, and Piano Chord every 5 days. Most recently, Tonality Visualizer was updated on October 25, 2026 and Piano Chord on October 19, 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.*