# Mr. Chord Doodle vs なんの音？

The clearest difference is ads: なんの音？ at none against Mr. Chord Doodle's shown. Mr. Chord Doodle's advantage is device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

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

Mr. Chord Doodle ships an update every 4 days, なんの音？ every 3 days. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Mr. Chord Doodle | なんの音？ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 47 MB | 4 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KAZUAKI NATSUBAYASHI](https://appshunter.io/developer/6796887250) | [Takashi Kishida](https://appshunter.io/developer/1874541509) |

## What reviewers say

### Mr. Chord Doodle

[App page](https://appshunter.io/ios/app/mr-chord-doodle/id6796887248)

Create, save, and display custom guitar chord diagrams with an intuitive drawing interface. Includes a high-precision tuner and a versatile metronome for all your practice needs.

**Highlights:** Chord and scale diagram drawing, Custom chord saving, Automatic chord detection, High-performance guitar tuner, Versatile metronome with sound sets, Left-handed mode support

**In-app purchases:** none


### なんの音？

[App page](https://appshunter.io/ios/app/id6808942407)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mr. Chord Doodle free?

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

### Is なんの音？ free?

なんの音？ is free to download, with no in-app purchases.

### Do Mr. Chord Doodle or なんの音？ have ads?

Mr. Chord Doodle shows ads; なんの音？ does not.

### Which is updated more often, Mr. Chord Doodle or なんの音？?

Mr. Chord Doodle ships an update every 4 days, and なんの音？ every 3 days. Most recently, Mr. Chord Doodle was updated on November 11, 2026 and なんの音？ on November 10, 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.*