sDiary vs 日記
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
sDiary
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One day a page. One intention, a few moments, then seal it. sDiary is a slow, intentional journal. You write a single line for what the day is about, capture a handful of moments as text, photos, or voice, and then seal the page. Once a day is sealed it goes into your book: the long arc of every page you've written. No streaks. No engagement loops. No coach. No social. The day is yours, and so is the book. The flow. Morning. Set an intention. One sentence. Through the day. Add moments. Text, photo, or voice. Evening. Reflect. Seal the day. The page closes; tomorrow is a fresh one. Threads (Pro). The phrases that keep coming back across your sealed days, surfaced automatically. All computation happens on your device. No cloud, no AI provider. Trusted Reader (with Sync). Invite exactly one person you trust to read your sealed days. They see what you chose to share, when you chose to share it. Revoke any time. Year-Review. Every December 31, sDiary auto-opens a retrospective of the year: the intentions, the recurring threads, the sealed-day count. Free, Pro, and Sync. The base app is free, forever. Pro is a one-time unlock that opens Threads, voice moments, unlimited photos per day, full-history search, and Year-Reviews. Sapplify Sync is free with a Sapplify account and covers multi-device sync and the Trusted Reader feature, across every Sapplify app. Local-first, by default. Your days live in a SQLite database on your phone. Nothing leaves your device unless you turn on Sapplify Sync, and even then, only your own data, to your own account. Terms of Use: https://www.sapplify.com/terms/sdiary/ Sapplify Account Privacy: https://www.sapplify.com/policies/account/ Sapplify Account Terms: https://www.sapplify.com/terms/account/
日記
Easily capture your daily moments, thoughts, and feelings with a clean, distraction-free interface. Add photos to entries, track your mood, and revisit past memories through a convenient calendar view. This app is designed for anyone wanting to preserve memories simply and effectively.
- Create diary entries
- Attach photos to entries
- Calendar view for past entries
- Mood tracking
- Clean and simple interface
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A simple and easy-to-use diary app for capturing your everyday moments. Write about: - What happened today - How you felt - Small memories you never want to forget Record your daily life in a clean, simple interface that's designed to be easy to use every day. Add photos to your diary entries, track your mood, and look back on past memories with the calendar. We kept the app simple and distraction-free so you can focus on what matters most: your memories. Features - Create Diary Entries Write freely about your day, thoughts, and experiences. - Add Photos Attach photos to your entries to make your memories even more vivid. - Calendar View Browse your diary by date and quickly revisit past entries. - Mood Tracking Record how you feel each day and reflect on changes over time. - Simple Design A clean and calming interface with no unnecessary clutter. Recommended For - Anyone who wants to start keeping a diary - People who want to record their daily thoughts and feelings - Those who enjoy preserving memories with photos - Anyone looking for a simple, easy-to-use journal app - People who want to keep track of parenting, work, relationships, health, hobbies, and more - Anyone who found paper diaries difficult to maintain but prefers using a smartphone Your diary doesn't have to be long. Even a single sentence, or just a photo, can become a precious memory when you look back later. Why not take a moment to record today's memories? Terms of Use: https://taka3267-collab.github.io/tkApps/diary/terms.html Privacy Policy: https://taka3267-collab.github.io/tkApps/diary/privacy-policy.html
Screenshots
Verdict
The clearest difference is in-app purchases: 日記 at none against sDiary's 3. sDiary's advantage is ads (none vs shown) and iOS requirement (15.0 vs 18.0). On price, update cadence and device support 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. sDiary sells 3 in-app purchases, starting at $1.99 per month. 日記 asks for nothing beyond the download.
sDiary ships an update every 3 weeks, 日記 every 10 days. The most recent releases landed on October 10, 2026 and October 21, 2026 respectively.
| Parameter | sDiary | 日記 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 47 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Anthony Eli Rasch | Takahiro Kimura |
In-app purchases
sDiary
- Sapplify Sync Monthly1 Month trial$1.991 Month
- Sapplify Sync Yearly1 Month trial$19.991 Year
- sDiary Pro$29.99
日記
No in-app purchases









