# おとなの日記帳 vs Suibun

The clearest difference is in-app purchases: Suibun at none against おとなの日記帳's 2. Suibun also leads on ads (none vs shown) and update cadence (weekly vs every 3 months). On price there is nothing between them.

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

おとなの日記帳 ships an update every 3 months, Suibun weekly. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | おとなの日記帳 | Suibun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (21 ratings)](https://appshunter.io/ios/app/sns/id1447462643/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 21 MB |
| Requires iOS | 17 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masaki Hirano](https://appshunter.io/developer/870094068) | [Yutaro Shimamura](https://appshunter.io/developer/1486095673) |

## 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 to your entries. Easily write long entries with a convenient keyboard and secure your memories with a passcode lock.

**Highlights:** Unlimited photo attachments, Batch photo selection, Camera integration, Convenient keyboard for long entries, 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 |


### Suibun

[App page](https://appshunter.io/ios/app/suibun-water-tracker/id6746684442)

**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 Suibun free?

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

### Do おとなの日記帳 or Suibun have ads?

おとなの日記帳 shows ads; Suibun does not.

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

おとなの日記帳 ships an update every 3 months, and Suibun weekly. Most recently, おとなの日記帳 was updated on November 6, 2026 and Suibun on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*