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Response from developer
안녕하세요~! ssinnal 님. 소중한 리뷰 감사 드립니다! 앞으로도 꾹으로 계속 발전 하길 바라요 💚
Free
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About
Track your habits by stamping them on a calendar. This app allows you to create custom stamps with colors and emojis, and view your progress through various reports. It offers lock screen and widget integration for easy access.
✓Stamp habits on a calendar
✓Customizable stamps with colors and emojis
✓Lock screen and widget integration
✓Journal entries with photos and notes
✓Weekly, monthly, and yearly reports
✓CSV export of reports
✓Home screen widgets
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What's New in 꾹
1.7.0
October 1, 2026
■ Rest days Pick a date in Calendar and set it as a rest day. Rest days are left out of your completion rate, and your streak doesn't break. Rest days are a KKUK Premium feature. If your subscription ends, the rest days you set are kept, but they no longer count in your stats.
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FAQ
What is 꾹's main purpose?
꾹 is designed to help users track their habits by stamping them on a calendar. It focuses on visualizing progress by accumulating stamps over time, offering a unique alternative to traditional to-do list apps.
Can I stamp habits without opening the 꾹 app?
Yes, once the app is opened, today's stamp board appears on the lock screen and Dynamic Island. You can stamp directly from there without returning to the app, and also via home screen widgets.
How does 꾹 handle habit creation?
You can create personalized stamps using 16 different colors and emojis. For each stamp, you can specify the days of the week, frequency, group, and set reminder times.
What reporting features does 꾹 offer?
꾹 provides a calendar view for the current month's stamps, a Journal feature for daily notes and photos, and reports for weekly, monthly, and yearly habit adherence. Reports can be exported as CSV files.
Does 꾹 have ads?
Yes, 꾹 contains advertisements, as indicated by its 'hasAds' flag.
What platforms is 꾹 available on?
꾹 is supported on Apple Watch and iPhone, as indicated by its 'supportedDevices' field.
How is my data stored in 꾹?
Stamps, notes, and photos are stored locally on your device. iCloud synchronization is off by default but can be enabled to replicate data to your private iCloud database; the developer cannot access this data.
What is the update frequency of 꾹?
The latest version, 1.5.0, was released on September 16, 2026, indicating a recent update. The app was initially released on August 13, 2026.
