# この偉人は誰？ vs nota. ー 音楽理論クイズ

The clearest difference is iOS requirement: nota. ー 音楽理論クイズ at 15.0 against この偉人は誰？'s 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | この偉人は誰？ | nota. ー 音楽理論クイズ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Size | 28 MB | 2 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Manabu TsuTsui](https://appshunter.io/developer/1745681573) | [KOHEI YAMASHITA](https://appshunter.io/developer/1876841861) |

## What reviewers say

### この偉人は誰？

[App page](https://appshunter.io/ios/app/id6758904115)

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

**In-app purchases:** none


### nota. ー 音楽理論クイズ

[App page](https://appshunter.io/ios/app/nota/id6760968656)

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

**In-app purchases:** none


## Frequently asked questions

### Is この偉人は誰？ free?

この偉人は誰？ is free to download, with no in-app purchases.

### Is nota. ー 音楽理論クイズ free?

nota. ー 音楽理論クイズ is free to download, with no in-app purchases.

### Do この偉人は誰？ or nota. ー 音楽理論クイズ have ads?

Neither この偉人は誰？ nor nota. ー 音楽理論クイズ shows ads.

### Which is updated more often, この偉人は誰？ or nota. ー 音楽理論クイズ?

この偉人は誰？ ships an update every 5 days, and nota. ー 音楽理論クイズ every 5 days. Most recently, この偉人は誰？ was updated on October 8, 2026 and nota. ー 音楽理論クイズ on October 14, 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.*