duck vs 평온한 마음
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
duck
This app allows users to create and share a digital diary with friends and family. Decorate entries with stickers, build memories through comments, and stay updated with notifications. Enjoy a personalized experience with customizable themes.
- Decorate diary entries
- Share daily life with friends
- Use stickers for colorful records
- Build memories with comments
- Receive diary and comment notifications
- Dark and Light themes
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duck-z is a diary app for sharing everyday life with someone you care about. Write back and forth with friends or your partner, and build memories that are all your own. • Decorate a diary that's all yours • Take turns sharing daily life with friends or your partner • Brighten your entries with stickers • Memories that grow with every comment • Get notified the moment someone special writes • Your story, every day — even when you're apart • Dark and light themes
평온한 마음
Find inner peace by using this application to strike a wooden fish. Focus on the resonant sound to clear your mind and manage your thoughts. It's a simple tool designed for mindfulness and stress relief.
- Strike a wooden fish
- Focus on sound
- Clear your mind
- Manage thoughts
- Achieve peace
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‘평온한 마음’과 함께 잠시 호흡과 소리에 집중해 보세요. 목탁과 싱잉볼 중 마음에 드는 소리를 골라 직접 울리며 복잡한 생각을 내려놓을 수 있습니다. 차분한 울림에 귀 기울이고, 나만의 속도로 명상을 이어가 보세요. • 목탁과 싱잉볼 두 가지 소리 • 화면을 터치해 자연스럽게 울리기 • 울린 횟수 기록 • 간결하고 편안한 화면 일상 속 짧은 휴식이 필요할 때 ‘평온한 마음’으로 마음을 가다듬어 보세요.
Screenshots
Verdict
duck and 평온한 마음 are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
duck ships an update every 6 weeks, 평온한 마음 monthly. The most recent releases landed on October 30, 2026 and October 17, 2026 respectively.
| Parameter | duck | 평온한 마음 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (12 ratings) — better | — |
| Positive reviews | 98.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 12 — better | — |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 54 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | SEUNGHWAN LEE | jihyeon kang |
Customer experience
duck
평온한 마음
In-app purchases
duck
No in-app purchases
평온한 마음
No in-app purchases









