Happy vs One Page
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Happy
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Happy-Diaryは，あなたを幸せにするアプリです。 あなたが感じた幸せを日々書き記していくことで、あなたが今どれだけ幸せなのかを知ることができます。 また、過去に書き記した幸せな出来事を振り返ってみることで、あなたを幸せな気持ちにさせることができます。
One Page
Record daily events and thoughts on a single, scrollable screen. This straightforward diary app simplifies reviewing past entries and maintaining a consistent writing habit. It's ideal for long-term reflections and tracking personal growth.
- Single-screen diary entries
- Easy review of past records
- Intuitive operation for habit building
- Ideal for yearly reflections
- Long-term record keeping
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One Page - The Ultimate Simple Diary App One Page is a straightforward diary app that lets you record all your entries on a single screen. No need to switch pages; just scroll to view all your records from the past to the present. Key Features: - Record everything on a single screen, eliminating unnecessary page switches. - A design that makes it easy to review past entries. - Simple and intuitive operation, making it easy to maintain the habit of writing a diary. - Perfect for yearly reflections and long-term records. Recommended For: - Those who want to casually record daily events and thoughts. - Those who want an easy way to look back on past experiences. - Those who want to track their long-term growth and changes through a diary. By connecting your daily thoughts and events on a single page, One Page offers a new way to enjoy keeping a diary. Download One Page now and start recording your daily life! Privacy Policy: https://onepage-d124b.web.app/privacy/en/
Screenshots
Verdict
The clearest difference is update cadence: One Page at every 2 days against Happy's every 4 months. Happy's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Happy ships an update every 4 months, One Page every 2 days. The most recent releases landed on September 8, 2026 and June 1, 2026 respectively.
| Parameter | Happy | One Page |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 4 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 136 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Kengo Sasaki | Ryota Kobayashi |
In-app purchases
Happy
No in-app purchases
One Page
No in-app purchases
