# Blue Hour vs KotoRoku

The clearest difference is in-app purchases: KotoRoku at none against Blue Hour's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Blue Hour sells 3 one-off in-app purchases. KotoRoku asks for nothing beyond the download.

## The numbers

| Metric | Blue Hour | KotoRoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 3 MB | 30 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Moses Smith](https://appshunter.io/developer/1806941483) | [Masaya Sakuragi](https://appshunter.io/developer/6795314797) |

## What reviewers say

### Blue Hour

[App page](https://appshunter.io/ios/app/blue-hour-visual-timer/id6793211925)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $1.99 | one-time |
| Lunch | $4.99 | one-time |
| Legend | $9.99 | one-time |


### KotoRoku

[App page](https://appshunter.io/ios/app/kotoroku-ai-meeting-notes/id6795314795)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blue Hour free?

Blue Hour is free to download, with in-app purchases available.

### Is KotoRoku free?

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

### Do Blue Hour or KotoRoku have ads?

Neither Blue Hour nor KotoRoku 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.*