# おとなの日記帳 vs Chikuwa Diary

おとなの日記帳 and Chikuwa Diary are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. おとなの日記帳 sells 2 one-off in-app purchases and Chikuwa Diary sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

おとなの日記帳 ships an update monthly, Chikuwa Diary every 4 weeks. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | おとなの日記帳 | Chikuwa Diary |
| --- | --- | --- |
| 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** | 83.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 32 MB | 30 MB |
| Requires iOS | 17 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Masaki Hirano](https://appshunter.io/developer/870094068) | [Tenta Shinojima](https://appshunter.io/developer/1506707649) |

## 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 |


### Chikuwa Diary

[App page](https://appshunter.io/ios/app/chikuwa-diary/id1506707650)

This app allows you to journal, track books and movies, and organize ideas using multiple notebooks. It offers automatic iCloud syncing for seamless access across devices and supports image attachments. Organize your life's moments and information effortlessly.

**Highlights:** Multiple notebooks for different themes, Book tracking with information retrieval, Movie recording and search, Collection feature for organizing information, Automatic iCloud notebook sync, Image attachment support, Widget support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chikuwa+ Plan for 1 months | $3.99 | per month |
| Chikuwa+ Plan for 6 months | $14.99 | per 6 months |


## 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 Chikuwa Diary free?

Chikuwa Diary is free to download, with in-app purchases available.

### Do おとなの日記帳 or Chikuwa Diary have ads?

Both おとなの日記帳 and Chikuwa Diary show ads.

### Which is updated more often, おとなの日記帳 or Chikuwa Diary?

おとなの日記帳 ships an update monthly, and Chikuwa Diary every 4 weeks. Most recently, おとなの日記帳 was updated on October 24, 2026 and Chikuwa Diary on October 12, 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.*