아차차 vs Amatdda
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
아차차
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"아차차!" 사소한 루틴부터 중요한 약속까지. 자꾸 잊어버려서 속상했던 적 있으신가요? 미래의 나를 위한 오늘의 메세지를 '아차차'와 함께 보내보세요! 이름, 프로필부터 메세지 내용까지 모두 직접 정할 수 있습니다. 메신저가 온 듯한 알림으로 친근하고 재미있게 일정을 상기할 수 있습니다. 깜빡하지 말고 '아차차'와 함께 해요 :)
Amatdda
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Amatdda – Start Managing Your Everyday Life Amatdda helps you manage important dates, recurring tasks, schedules, gift records, and notes all in one place. Birthdays, anniversaries, car maintenance, household replacements, subscriptions, kids' class schedules, and quick notes— organize everything easily and never miss what matters. Key Features D-day Countdown Management Track important dates and tasks with clear countdown displays. Recurring Reminders Set daily, weekly, monthly, or yearly reminders to stay on schedule. Shared Timetables for Families Organize school classes, lessons, and tutoring in an easy-to-view schedule. Invite family members to manage your kids' timetable together, so both parents always know class and pickup times. Car Maintenance Calculate your next service date from mileage and your last maintenance. Gift Records Log gifts given and received for weddings, funerals, and other occasions, and see at a glance who gave what. Routines Check off daily habits and build your streak. Quick Notes with Reminders Capture text or photo notes instantly and set reminders when needed. Home Screen Widgets Check today's reminders directly from your home screen without opening the app. Useful For • Birthdays, anniversaries, and important dates • Sharing kids' classes, lessons, and pickup schedules with family • Car maintenance and household replacements • Keeping track of wedding and occasion gifts • Health checkups and medication reminders • Quick notes and task reminders Start managing your life more easily with Amatdda. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://amatdda.bigseasons.co.kr/settings/privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: 아차차 at none against Amatdda's 2. 아차차 also leads on update cadence (every 2 days vs every 6 days) and iOS requirement (14.0 vs 16.0). On price, ads 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. Amatdda sells 2 in-app purchases, starting at $1.99 per month. 아차차 asks for nothing beyond the download.
아차차 ships an update every 2 days, Amatdda every 6 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.
| Parameter | 아차차 | Amatdda |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 6 days |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 12 MB | 97 MB |
| Age rating | 17+ | 4+ |
| Developer | Chaehui Seo | Bigseasons |
In-app purchases
아차차
No in-app purchases
Amatdda
- Monthly$1.991 Month
- Yearly7 Days trial$14.991 Year









