# hydo - 잠금화면 일정 공유 캘린더 — 공유 일정을 잠금화면에서 확인하세요

> Lock screen calendar app for shared scheduling and event viewing. (iPhone/iPad app by Hyson Works.)

- Source: https://appshunter.io/ios/app/hydo/id6794805038 (this page in markdown: same URL + `.md`)
- Developer: [Hyson Works](https://appshunter.io/developer/1824843528)
- Category: Productivity, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 5 MB
- Languages: Korean
- Released: 2026-07-28
- Data updated: 2026-09-06
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/hydo/id6794805038/reviews.md

## What is hydo?

잠금화면을 켜면 이번 달 일정이 그대로 보입니다.
가족·회사·친구를 그룹으로 나눠 색으로 구분하고, 초대 코드 하나로 같은 달력을 함께 씁니다.

· 월간 달력을 잠금화면에 — 잠금 해제도, 앱 실행도 필요 없습니다
· 그룹별 색 구분. 보고 싶지 않은 그룹은 잠시 꺼 둡니다
· 초대 코드를 붙여넣으면 참여 끝. 링크도 친구 추가도 없습니다
· 내 사진 위에 달력 크기와 위치를 손가락으로 맞추기
· 오늘 남은 일정을 보여주는 잠금화면 위젯
· 홈 화면 위젯 3종 — 오늘 일정, 미니 월간, 월간 달력 중에 고릅니다

잠금화면 갱신에는 Apple 단축어 자동화가 필요합니다. iOS가 앱의 배경화면 변경을
허용하지 않기 때문이며, 첫 실행 때 한 번에 설치하는 안내가 나옵니다.

광고와 인앱 구입이 없습니다. Apple로 로그인만 지원합니다.

## Key features

- Monthly calendar on lock screen
- Group-specific color coding
- Invite code sharing
- Customizable calendar placement
- Today's remaining schedule widget
- Home screen widgets

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/hydo/id6794805038/reviews.md

### 5/5 — Jay

*2026-08-06*

잘 사용중입니다 Good👍

## Frequently asked questions about hydo

### Does hydo have ads?

No, hydo is completely free of advertisements and in-app purchases, offering an uninterrupted user experience.

### What devices does hydo support?

hydo is currently supported on iPhone devices. It requires iOS and utilizes Apple's Shortcuts automation for lock screen updates.

### How do I share a calendar with someone using hydo?

You can share a calendar by generating an invite code within the app. Others can then join your shared calendar by simply pasting this code, without needing to add them as friends or share links.

### Can I customize the appearance of the calendar on my lock screen?

Yes, hydo allows you to adjust the size and position of the calendar directly on your lock screen by using your fingers to drag and resize it over your chosen photo.

### How often is hydo updated?

The latest version of hydo is 1.1.0, last updated on August 1, 2026. Updates are released by Hyson Works to improve functionality and reliability.

### What is the age rating for hydo?

hydo has an age rating of 4+, making it suitable for a wide range of users. It focuses on calendar sharing and organization features.

### Does hydo require Apple login?

Yes, hydo exclusively supports login via Apple. This ensures a streamlined and secure authentication process for users.

### What is the purpose of the Apple Shortcuts automation for hydo?

Apple Shortcuts automation is required for hydo's lock screen updates because iOS does not natively allow apps to change wallpapers in the background. The app guides you through installing this automation on first launch.

## Version history (last 4 releases)

### 1.1.2 — 2026-08-29

- 위젯 버그 수정 
- 일정 반복 기능 추가

### 1.1.1 — 2026-08-22

- 공휴일이 빨갛게 표시됩니다
- 테마 기능 추가 (화이트/다크/시스템)
- 홈 UI 수정

### 1.1.0 — 2026-08-01

· 홈 화면 위젯 3종
· 설정 › 문의에서 버그 신고와 기능 제안을 바로 보낼 수 있습니다
· 새 소식이 있으면 앱을 열 때 공지로 알려 드립니다
· 월간 달력 가독성 개선
·  기타 버그 수정

### 1.0.0 — 2026-07-28

No release notes.

## More apps by Hyson Works

- [Accutane Tracking - IsoLog](https://appshunter.io/ios/app/accutane-tracking-isolog/id6756465278)
- [Pibugom – Skin Care Community](https://appshunter.io/ios/app/pibugom-skin-care-community/id6760972457)
- [꿈틀매쓰 - 초등 수학학습 플랫폼](https://appshunter.io/ios/app/id6763516927)

All apps by Hyson Works: https://appshunter.io/developer/1824843528

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*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 2026-09-06.*