Diary! SmartDiary vs おとなの日記帳
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diary! SmartDiary
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.
- 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
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Simple and easy operation private diary application. ・Leave memories of daily life with photos easily. ・You can enter in the calendar the mood and schedule of the day. ・You can easily display past memories. ・Passcode lock (Touch ID, Face ID support) ・iCloud backup (iPhone, data migration between the iPad is also possible) [Other functions] ・Cover photo setting ・Calendar display setting (Start Week On, Calendar Position, Cover Photo Size, Transparency) ・Diary text setting (Font Size, Font Depth, Line Spacing) ・Theme color setting ・Notification of forgetting input ・Support for landscape orientation (iPad only) [Credit] ・Designed by Freepik and distributed by Flaticon (https://www.flaticon.com) ・Icons8 (https://icons8.com) ・This software includes the work that is distributed in the Apache License 2.0.
おとなの日記帳
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.
- Unlimited photo attachments
- Batch photo selection
- Camera integration
- Long text entry support
- Multiple entries per day
- Passcode lock
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◉このアプリについて おとなの日記帳は写真も貼れるシンプルで軽量な日記アプリです。 数ある日記アプリの中でも一番使いやすくおしゃれなアプリかもしれません。 ◉こだわり - 写真の添付枚数は無制限 - 写真は一括選択して添付できる - カメラ撮影して添付できる - 便利なキーボードのおかげで長文もスラスラ書ける - 1日あたり何個でも日記を書ける - パスコードロック機能あり
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Diary! SmartDiary | おとなの日記帳 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (44 ratings) | 4.6 (21 ratings) |
| Positive reviews | 93.3% of reviews — better | 85.0% of reviews |
| Number of ratings | 44 — better | 21 |
| Update frequency | Every 3 months | Monthly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17 |
| Further details — not scored | ||
| Size | 12 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Hideki Okuno | Masaki Hirano |
Customer experience
Diary! SmartDiary
おとなの日記帳
In-app purchases
Diary! SmartDiary
- Remove Ads$2.99
おとなの日記帳
- 広告非表示機能$2.99
- バックアップ復元機能の開放$2.99
Questions
Is Diary! SmartDiary free?
Is おとなの日記帳 free?
Which has better reviews, Diary! SmartDiary or おとなの日記帳?
Do Diary! SmartDiary or おとなの日記帳 have ads?
Which is updated more often, Diary! SmartDiary or おとなの日記帳?
Other comparisons
