# Dayco - Special Days — Simple D-Day Manager

> Simple D-Day Manager (iPhone/iPad app by Seunghwa BAEK.)

- Source: https://appshunter.io/ios/app/dayco-special-days/id6789400504 (this page in markdown: same URL + `.md`)
- Developer: [Seunghwa BAEK](https://appshunter.io/developer/1892791489)
- Category: Utilities, Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 2 MB
- Languages: Korean
- Released: 2026-07-10
- Data updated: 2026-07-29
- User reviews in markdown: https://appshunter.io/ios/app/dayco-special-days/id6789400504/reviews.md

## What is Dayco?

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.


## Version history (last 1 release)

### 1.0 — 2026-07-10

No release notes.

## More apps by Seunghwa BAEK

- [Quirkly](https://appshunter.io/ios/app/quirkly/id6762527265)
- [BingoRingo - Group To-Do](https://appshunter.io/ios/app/bingoringo-group-to-do/id6764120536)
- [Pocket Voice Widget](https://appshunter.io/ios/app/pocket-voice-widget/id6776696067)

All apps by Seunghwa BAEK: https://appshunter.io/developer/1892791489

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-29.*