# おとなの日記帳 vs 1行日記

The clearest difference is in-app purchases: 1行日記 at none against おとなの日記帳's 2. 1行日記 also leads on ads (none vs shown) and update cadence (every 3 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. おとなの日記帳 sells 2 one-off in-app purchases. 1行日記 asks for nothing beyond the download.

おとなの日記帳 ships an update monthly, 1行日記 every 3 days. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | おとなの日記帳 | 1行日記 |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 40 MB |
| Requires iOS | **17** | 18.5 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Masaki Hirano](https://appshunter.io/developer/870094068) | [Ren Murai](https://appshunter.io/developer/1844600385) |

## 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 |


### 1行日記

[App page](https://appshunter.io/ios/app/1/id6759818885)

**Features:** macOS Compatibility

**In-app purchases:** none


## 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 1行日記 free?

1行日記 is free to download, with no in-app purchases.

### Do おとなの日記帳 or 1行日記 have ads?

おとなの日記帳 shows ads; 1行日記 does not.

### Which is updated more often, おとなの日記帳 or 1行日記?

おとなの日記帳 ships an update monthly, and 1行日記 every 3 days. Most recently, おとなの日記帳 was updated on October 15, 2026 and 1行日記 on October 3, 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.*