Diary! SmartDiary vs ShareMemo
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.
ShareMemo
Easily create and share memos and to-do lists with a partner. Control which notes are shared and receive real-time updates. Cloud storage ensures your data is safe, and quick account linking allows for seamless multi-device use.
- Create and share memos
- Create and share to-do lists
- Convert between memo and to-do formats
- Real-time updates on shared notes
- Cloud storage for data safety
- Account linking for multi-device use
- Export memos to other apps
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ShareMemo is an application designed for people who often write memos and to-do lists. The memos and to-do lists you create can be easily shared with users registered as partners. You can choose which memos to share individually, so you don't have to share memos you don't want to show. Saved memos and to-do lists are stored in the cloud, so they are safe even if your phone breaks down. There is no annoying user registration when you start using the app. You can start editing your memos the moment you launch the app. [What you can do with ShareMemo] - Create a memo - Create a ToDo memo - Convert memos to To-Do lists and To-Do lists to memos - Sorting the To-Do list - Mark important memos - Filtering by memo content - Sort memos by creation date or update date - When a shared memo is changed, a notification is sent - When a shared memo is changed, you will receive a notification - Changed memos are updated in real time (except for the edit screen) - You can set labels for memos - By linking Google, Apple ID, Facebook, and LINE accounts, you can easily transfer data even if the cell phone changes. Can also be used on multiple devices. - The memos you create can be freely copied to other applications or exported. Terms of Use: https://memo-8bc86.web.app/terms.html Privacy Policy: https://memo-8bc86.web.app/privacy.html
Screenshots
Verdict
The clearest difference is review sentiment: Diary! SmartDiary at 93% against ShareMemo's 20%. ShareMemo's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model 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 ShareMemo sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Diary! SmartDiary ships an update every 3 months, ShareMemo every 3 weeks. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.
| Parameter | Diary! SmartDiary | ShareMemo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (45 ratings) — better | — |
| Positive reviews | 93.3% of reviews — better | 20.0% of reviews |
| Number of ratings | 45 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 79 MB |
| Age rating | 4+ | 17+ |
| Developer | Hideki Okuno | Toshiaki Hayashi |
Customer experience
Diary! SmartDiary
ShareMemo
In-app purchases
Diary! SmartDiary
- Remove Ads$2.99
ShareMemo
- Plus plan(monthly)$2.991 Month
- Plus plan(yearly)1 Year trial$29.991 Year
- Ad free$5.99









