# Red Calendar 2026 — The Easiest Calendar App

> Simple calendar app for logging events and viewing public holidays. (iPhone/iPad app by jaesung Lee.)

- Source: https://appshunter.io/ios/app/red-calendar-2026/id1489018103 (this page in markdown: same URL + `.md`)
- Developer: [jaesung Lee](https://appshunter.io/developer/906348091)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Rating: 4.70/5 from 638 App Store ratings · 32 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.6 · 103 MB
- Languages: Korean, Vietnamese, American English, Japanese, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2019-12-03
- Data updated: 2026-08-25
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/red-calendar-2026/id1489018103/reviews.md

## What is Red Calendar 2026?

• 40k reviews / Rating 4.7
• 500k cumulative downloads

The Easiest Calendar App for Logging Events: "Red Calendar"  
An intuitive calendar app where you can easily see public holidays.

"Red Calendar" - See Red Days at a Glance  
The simplest calendar app in the world, "Red Calendar"

• Tap a date once to quickly save the simplest event  
• Long press a date to access a variety of event options  
• Save recurring events monthly or yearly  
• View red days at a glance with the annual calendar  
• Set your background image to match your taste  
• Save your calendar as an image and set it as your phone background  
• Supports dark mode and widgets  
• Supports calendars from various countries with public holidays
• Support for various global holiday calendars

1. Truly Simple Event Registration: Now you can skip complicated times and notifications when adding an event! Simply tap a date to add a quick event or memo. For continuous events like vacations, long press to add them

2. Even Simpler Event Options: Long press a date to change the color of your event. Want to emphasize a specific event? Use the highlight feature! For recurring events like birthdays, anniversaries, or payday, use the repeat event feature

3. Annual Calendar: Wondering when the red days are this year? Don’t check month by month—just tap the annual calendar button in the top left corner of the app

4. Supports Dark Mode and Widgets: View your calendar in dark mode to avoid straining your eyes. Of course, you can always set it to dark or light mode, regardless of system settings. Check out the newly added widgets as well

5. See Red Days at a Glance: Quickly check public holidays and substitute holidays. Use the annual calendar to instantly see when the days off are throughout the year. Curious about holidays abroad? Explore and stay updated with a wide variety of international holidays we support.

Please leave a rating and share any features you’d like to see or any issues you’ve encountered in your review. The developer personally checks them and will leave a reply :D

Thank you for using Red Calendar!

Red Calendar Pro Version: Remove the bottom ads to use the calendar more freely

Red Calendar is a free app that offers a variety of features to make the easiest calendar app possible. For those who want a more powerful experience and a happier day or month, we offer additional features as a premium service. Of course, the free features alone are strong enough to provide a powerful experience. Payment will be charged to your Apple ID account upon purchase confirmation. Subscriptions will automatically renew unless canceled at least 24 hours before the end of the current period. Renewal will be charged within 24 hours before the current period ends. After subscribing, you can manage and cancel subscriptions in your App Store account settings

Terms of Service: https://redcalendar-7d563.web.app/terms.html
Privacy Policy: https://redcalendar-7d563.web.app/privacy-policy.html
Contact: +82-10-2976-9889  
Email: blackturtle2@gmail.com

## Key features

- Simple event registration with tap
- Long press for advanced event options
- Recurring event scheduling
- Annual calendar view for red days
- Customizable background images
- Dark mode and widget support
- International holiday calendar support

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly Pro Subscription | $1.99 | per month |
| Yearly Pro Subscription | $9.99 | per year |


## Recent user reviews (10 of 32)

All indexed reviews: https://appshunter.io/ios/app/red-calendar-2026/id1489018103/reviews.md

### 5/5 — 그동안 써본 달력

*2026-05-22*

중에서 가장 마음에 드는 달력입니다. 복잡하지 않고 즉시입력되고 한눈에 볼 수 있어 좋습니다.  감사드립니다.

### 5/5 — Good

*2026-03-17*

I’ve been using it since 2020. I failed to find a single flaw. It couldn’t be better.

### 5/5 — 사용 후기

*2025-12-31*

2년 넘게 잘 쓰고 있습니다. 아이폰은 달력 사용이 좀 불편해서 다른걸 찾다가 발견해서 사용중인데 달력 앱 중에서는 가장 쓰기 편한 것 같아요. 특히 음력 표시를 간단하게 설정할 수 있어서 생일 잊어버릴 일이 없어요! 근데 최근에 제가 앱을 실수로 지워버려서 다시 깔았더니 그동안 썼던게 다 지워져있더라고요ㅠ 아이클라우드 동기화도 안했고 백업도 받아놓지 않았던 저는…ㅠ 복원을 할수 없게 됐어요(으헝헝ㅠ 방법이 없는거겠죠?)

### 5/5 — 아주아주 만족해요! 변함없길 바래요~~!

*2025-12-30*

평소에도 간단하고 심플한 달력앱을 좋아해서 그동안 여러가지 달력앱을 써보다가 작년부터 사용해봤는데 제일 편한거 같아요~
복잡하지않고 간단하고 이것저것 뭐가 많이 없는 진짜로 딱!! 필요한 것만 있는걸 좋아하는 저한테는 너무 완벽한 달력앱이에요!!!!! 1년넘게 써본결과 빨간달력으로 정착하려구요~~! 개발자님 꾸준히 이렇게만 유지되도록 부탁드려요~~ㅠ어디서 다른거보고 갑자기 엄청난 업데이트 해서 바뀌면 실망할꺼에욧!~

### 5/5 — 멋져요

*2025-12-21*

요기나게 쓰고있습니다

**Developer response:** 만점 평점과 리뷰 정말 감사합니다. 🙇🏻‍♂️

### 5/5 — 극P한테 안성맞춤

*2025-10-09*

1년넘게 잘쓰고 있어서 리뷰 새로 쓰러왔어욥 일정생길때마다 이 앱을 1등으로 씀다. 다른건 기능이 투머치하게 많고 복잡해서 손이 잘 안가는데 이건 진짜 직관적이라 쓰기도 쉽고 필요한 것만 있는거가틈. 아니근데 리뷰에 광고얘기 개많은데 무료로 쓰고프면 그냥 쓰시든가 결제를 하든가 하셔요 월 천백원밖에 안하는구먼 그정도 광고도 보기싫으면 개발자는 뭐 봉사자인가유?ㅠ 그나저나 제가 병원다니면서 약까지 먹고있는 ADHD인데 그래서인지 진짜빨리 까먹어서 뭔일 생길때마다 진짜로개빠르게 적어야하는데 이건 걸리는 거 하나없이 바로 간단명료하게 적을 수 있고 좀 긴문장으로 추가해도 월별로 한눈에 확 잘보여서 진짜 짱👍 이런게 기본어플이어야 하는디말이쥬. 개발자님이 사용자 의견도 잘 들어주셔서 좋음

**Developer response:** 월요일 시작 기능을 현재 개발중입니다.
열심히 개발중인데, 아직 오류가 있어서 시간이 필요합니다. 😭

부족한 점이 있는데도 만점 평점과 리뷰 남겨주셔서 감사합니다. 🙆🏻‍♂️

### 5/5 — 수정요청드려요

*2025-10-03*

이보더 더 좋은 음력달력은 없는 듯 해요.
그런데 아이폰17에서 음력이벤트가 오류가 발생해요.
“NSXML parser error domain”이라고 뜨네요.
제발 업데이트 해주세요~

**Developer response:** 음력 이벤트가 간헐적으로 작동하지 않는 문제가 최신 버전인 8.9 버전에서 해결되었습니다.
이렇게 제보해주셔서 감사드리고, 또 불편하신 점이나 필요하신 기능은 언제든지 말씀해주세요.

불편하셨을텐데도 만점 평점 주셔서 정말정말 감사합니다. 🙆🏻‍♂️

### 4/5 — 완전 편리..

*2025-02-28*

항상 날마다 종이에 적을 필요없이 핸드폰으로 적을수있다는것부터 너무 만족중인데, 알람 시간 설정해두면 알아서 그 시간에 일정이 떠서 너무 편리함. 원래는 노숙자처럼 집에만 박혀있는데, 요즘 이 앱으로 해야할거 다 적어두고 하나씩 하니까 날이 너무 빨리가더라.. 요즘에 운동도 시작하는데 항상 언제 시작할지 알람이 와서 굳이 핸드폰 알람시계 그런거 설정 안해도됨. 
이거 한번하면 뭔가 사람이 계획적이게 되고 계속 뭐 적고싶어짐..

**Developer response:** 너무 감동적인 리뷰여서 한참을 읽었습니다.
앱을 1인 개발하면서 힘들고 어려울 때가 많은데, 이렇게 잔잔한 감동적인 내용으로 리뷰 남겨주셔서 정말 감사합니다.
더 불편하신 점이나 필요하신 기능 있으시면, 언제든지 이렇게 앱스토어 리뷰나 개발자 이메일 보내기로 남겨주세요.
다시 한번, 리뷰 감사합니다. 🙆‍♂️

### 5/5 — 개선사항

*2025-02-22*

다른거 쓰다가 이거 알게된후로 이것만 쓰고있어용ㅎㅎ근데 한가지 위젯에서도 달력을 넘기는 기능이 있었으면 좋겠어여ㅎㅎㅎ2월달인데 3월달 일정을 바로 
볼수있었음 좋겠거든여ㅎㅎ지금은 바로 넘기는 
기능이 없어서 어플을 들어가야만 다음달 일정을
볼수있어서 조금 번거로워요ㅠㅠㅎㅎ

**Developer response:** 위젯을 대대적으로 개선할 계획을 갖고 있는데, 그때 꼭 반영해보도록 하겠습니다.
만점 평점과 리뷰 감사합니다. 😊

### 1/5 — Delete!

*2024-11-25*

Please delete this app. It loaded during an update and I dont want it

**Developer response:** If you no longer need the app, you may remove it yourself. Thank you very much for your time and consideration.

## Frequently asked questions about Red Calendar 2026

### What does Red Calendar do?

Red Calendar is designed to be the easiest calendar app for logging events and viewing public holidays. It allows users to quickly add simple events or memos with a single tap, and offers more advanced options with a long press. The app also provides an annual view to easily see all public holidays and days off.

### What are the key features of Red Calendar?

Key features include simple event registration, advanced event options via long press, recurring event scheduling, an annual calendar view for holidays, customizable background images, dark mode and widget support, and support for various international holiday calendars.

### Is Red Calendar free to use?

Yes, Red Calendar is a free app that offers a variety of core features. For users who desire additional functionality and an ad-free experience, there is a 'Red Calendar Pro Version' available as a premium service through in-app purchases.

### What devices is Red Calendar compatible with?

The application description mentions support for dark mode and widgets, which are common features on modern mobile operating systems like iOS and Android. Specific compatibility details would typically be found on the app store listing.

### How can I use Red Calendar for managing my schedule?

You can use Red Calendar to quickly log appointments, reminders, or personal notes by tapping on a date. For recurring events like birthdays or anniversaries, the repeat event feature is available. The annual calendar view is also useful for planning around public holidays and days off.

## Version history (last 5 releases)

### 9.6 — 2026-06-18

Users can customize the color used to highlight today’s date.
Added support for the 2028 calendar.
Added support for substitute holidays for Labor Day and Constitution Day in 2027. (Korean calendar only)

### 9.5 — 2026-05-18

Fixes an issue where the top part displaying the month appears black when saving calendar images.
Fixed an issue where the message indicating no events in the lock screen widget was displayed only in English.

### 9.3 — 2026-04-17

Updated Labor Day as an official public holiday. (Korean calendar only)
Separated event and memo data handling in the manual backup and restore feature.

### 9.2 — 2026-04-10

Improves performance and fixes bugs

### 9.1 — 2026-04-07

Fixed an issue where the selected background was not included when saving wallpapers
Fixed several UI issues in iOS 26

## Apps similar to Red Calendar 2026

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Calendar](https://appshunter.io/ios/app/calendar/id1108185179) | 4.9 (1,515,477) | Free | Productivity |
| [Simple Calendar - SimpleCal](https://appshunter.io/ios/app/simple-calendar-simplecal/id1227579630) | 4.7 (16,132) | Free | Productivity |
| [로또복권 당첨확인 - QR코드](https://appshunter.io/ios/app/qr/id1673461790) | — | Free | Productivity |
| [Naver Calendar](https://appshunter.io/ios/app/naver-calendar/id592346243) | 2.6 (104) | Free | Productivity |
| [Across: Calendar, Your Way](https://appshunter.io/ios/app/across-calendar-your-way/id6444851827) | 4.8 (451) | Free | Productivity |
| [Scheduler - Calendar & Planner](https://appshunter.io/ios/app/scheduler-calendar-and-planner/id6467635137) | 4.9 (29) | Free | Productivity |

## More apps by jaesung Lee

- [DDayWidget](https://appshunter.io/ios/app/ddaywidget/id923815564)
- [Copy-it](https://appshunter.io/ios/app/copy-it/id1400180327)
- [짤봇](https://appshunter.io/ios/app/id1455778276)
- [날씨룩](https://appshunter.io/ios/app/id1566781231)
- [Dev Q](https://appshunter.io/ios/app/dev-q/id1571533603)

All apps by jaesung Lee: https://appshunter.io/developer/906348091

## Related topics

[korean calendar](https://appshunter.io/ios/topics/korean-calendar) · [2025 calendar](https://appshunter.io/ios/topics/2025-calendar) · [custom holiday calendar](https://appshunter.io/ios/topics/custom-holiday-calendar) · [easy calendar color](https://appshunter.io/ios/topics/easy-calendar-color)

---

*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 2026-08-25.*