Dayco - Special Days
Simple D-Day Manager
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Manage D-Days simply and beautifully. See important dates at a glance with cards and widgets, and never miss a special day with reminders.
Dayco is an app designed to help you manage only your D-Days in a simple and clean way.
Instead of complicated calendar features, Dayco focuses on helping you quickly add the dates you want to remember and check them at a glance. Organize important days such as anniversaries, birthdays, exams, trips, appointments, and project deadlines as cards, and easily see how many days are left or how many days have passed.
**Key Features**
- Manage upcoming dates, past dates, recurring anniversaries, and 100-day milestone anniversaries
- Set reminders for your preferred date and time
- View your saved events in the D-Day calendar
- Home Screen widget support
- Customize card colors and event types
- iCloud backup support
- Light Mode and Dark Mode support
- Korean and English language settings
Dayco is a lightweight date-tracking tool for people who do not need a complicated calendar app and want to focus only on their D-Days.
Start keeping the days you want to remember in Dayco today.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Seunghwa BAEK, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Seunghwa BAEK
- Size
- 2.4 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
- Korean
- Age Rating
4+
- 4+
- Copyright
- © 2026 Dayco. All rights reserved.