Happy vs DLog!
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。
DLog!
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DLog! is your personal day log and countdown tracker – designed to help you capture meaningful moments, track important events, and never miss a special day again. Key Features: • Day Log: Record your thoughts, memories, or daily highlights easily. Add photos, notes, and revisit your timeline anytime. • Countdowns: Stay on top of upcoming birthdays, anniversaries, trips, or deadlines with customizable countdowns. • Beautiful Timeline: A sleek, minimal interface that helps you visualize your past and future events in one smooth flow. • Reminders & Notifications: Get notified for important countdowns so you’re always prepared. Whether you’re journaling your everyday life or counting down to something big, DLog! makes it easy, fun, and personal. Start logging your days – because every moment matters.
Screenshots
Verdict
The clearest difference is ads: Happy at none against DLog!'s shown. Happy also leads on iOS requirement (12.0 vs 14.0). DLog!'s advantage is update cadence (every 5 days vs every 4 months). On price, 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, DLog! every 5 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | Happy | DLog! |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 136 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Kengo Sasaki | SoftWord LLC |
In-app purchases
Happy
No in-app purchases
DLog!
No in-app purchases
