# Diary! SmartDiary vs おとなの日記帳

The clearest difference is update cadence: おとなの日記帳 at monthly against Diary! SmartDiary's every 3 months. Diary! SmartDiary's advantage is review sentiment (93% vs 85%) and device support (3 vs 1). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.6 for Diary! SmartDiary against 4.6 for おとなの日記帳. Both are backed by a comparable volume of ratings — 44 and 21 respectively. Written reviews are what separate them: 93% of Diary! SmartDiary's written reviews are positive against 85% of おとなの日記帳's.

Diary! SmartDiary ships an update every 3 months, おとなの日記帳 monthly. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Diary! SmartDiary | おとなの日記帳 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (44 ratings)](https://appshunter.io/ios/app/diary-smartdiary/id1381186388/reviews) | [4.6 (21 ratings)](https://appshunter.io/ios/app/sns/id1447462643/reviews) |
| Number of ratings | **44** | 21 |
| Positive reviews | **93.3% of reviews** | 85.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 32 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hideki Okuno](https://appshunter.io/developer/1234067922) | [Masaki Hirano](https://appshunter.io/developer/870094068) |

## What reviewers say

### Diary! SmartDiary

[App page](https://appshunter.io/ios/app/diary-smartdiary/id1381186388)

Record daily life with photos and track your mood and schedule on a calendar. Secure your entries with a passcode and easily access past memories. Customize your diary with various settings for a personalized experience.

**Highlights:** Record memories with photos, Track daily mood and schedule, Passcode lock with biometric support, iCloud backup and data migration, Customizable calendar and diary settings, Input forgetting notifications

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### 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 |


## Frequently asked questions

### Is Diary! SmartDiary free?

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

### 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.

### Which has better reviews, Diary! SmartDiary or おとなの日記帳?

Diary! SmartDiary and おとなの日記帳 are both rated 4.6 out of 5 on the App Store, from 44 and 21 ratings respectively.

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

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

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

Diary! SmartDiary ships an update every 3 months, and おとなの日記帳 monthly. Most recently, Diary! SmartDiary was updated on September 17, 2026 and おとなの日記帳 on September 19, 2026.

---

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