# おとなの日記帳 vs kuroneko clock

The clearest difference is update cadence: おとなの日記帳 at monthly against kuroneko clock's every 3 months. kuroneko clock's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17). On price, ads and in-app purchases there is nothing between them.

Both are free to download. おとなの日記帳 sells 2 one-off in-app purchases and kuroneko clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

おとなの日記帳 ships an update monthly, kuroneko clock every 3 months. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | おとなの日記帳 | kuroneko clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (21 ratings)](https://appshunter.io/ios/app/sns/id1447462643/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 85.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 37 MB |
| Requires iOS | 17 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masaki Hirano](https://appshunter.io/developer/870094068) | [takayuki atsumi](https://appshunter.io/developer/1495474977) |

## What reviewers say

### おとなの日記帳

[App page](https://appshunter.io/ios/app/sns/id1447462643)

A simple and stylish diary app that allows you to attach unlimited photos. Easily write long entries with a convenient keyboard and attach multiple photos at once. Secure your memories with a passcode lock.

**Highlights:** Unlimited photo attachments, Batch photo selection, Camera integration, Long text entry support, Multiple entries per day, Passcode lock

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示機能 | $2.99 | one-time |
| バックアップ復元機能の開放 | $2.99 | one-time |


### kuroneko clock

[App page](https://appshunter.io/ios/app/kuroneko-clock/id1515384542)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 時計オプション | $3.99 | one-time |


## Frequently asked questions

### Is おとなの日記帳 free?

おとなの日記帳 is free to download, with in-app purchases available.

### Is kuroneko clock free?

kuroneko clock is free to download, with in-app purchases available.

### Do おとなの日記帳 or kuroneko clock have ads?

Both おとなの日記帳 and kuroneko clock show ads.

### Which is updated more often, おとなの日記帳 or kuroneko clock?

おとなの日記帳 ships an update monthly, and kuroneko clock every 3 months. Most recently, おとなの日記帳 was updated on October 15, 2026 and kuroneko clock on October 11, 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.*