# Know Notes vs コード当てクイズ

The clearest difference is in-app purchases: コード当てクイズ at none against Know Notes's 6. コード当てクイズ also leads on iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Know Notes sells 6 one-off in-app purchases. コード当てクイズ asks for nothing beyond the download.

## The numbers

| Metric | Know Notes | コード当てクイズ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (31 ratings)](https://appshunter.io/ios/app/know-notes-learn-music/id1536356966/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 95.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 53 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [wylan neely](https://appshunter.io/developer/1261508202) | [TAKERU ENOKIBORI](https://appshunter.io/developer/1889158825) |

## What reviewers say

### Know Notes

[App page](https://appshunter.io/ios/app/know-notes-learn-music/id1536356966)

Develop your musical ear by learning to identify notes and chords by sound. This gamified app makes practicing fun and competitive, allowing you to progress from basic notes to sharps and flats.

**Highlights:** Ear training, Note recognition, Chord recognition, Gamified learning, Progressive difficulty, Natural notes, sharps, and flats

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Violin Notes | $0.99 | one-time |
| Electronic Keyboard Notes | $0.99 | one-time |
| Grand Piano Notes | $0.99 | one-time |
| Unlock Violin Instrument | $2.99 | one-time |
| Acoustic Guitar (Major Chords) | $2.99 | one-time |
| Unlock Acoustic Guitar | $3.99 | one-time |


### コード当てクイズ

[App page](https://appshunter.io/ios/app/id6761368672)

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

**In-app purchases:** none


## Frequently asked questions

### Is Know Notes free?

Know Notes is free to download, with in-app purchases available.

### Is コード当てクイズ free?

コード当てクイズ is free to download, with no in-app purchases.

### Do Know Notes or コード当てクイズ have ads?

Neither Know Notes nor コード当てクイズ shows ads.

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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.*