Red Calendar 20269.8 - App Store

. 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

Version History We’ve made major improvements to recurring events.
Weekly recurrence is now supported, and you can create recurring events without an end date or remove an existing end date. For monthly events that start on the last day of the month, you can choose to repeat them on the same date or on the last day of every month.
Multi-day events now show their progress by day, while holidays and anniversaries are easier to recognize. We’ve also improved widget refresh speed and the reliability of saving events and memos.
Pro users can add more than three standard events per day. 9.8 5d ago Added a new medium widget that lets you view the daily calendar and monthly calendar at a glance.
Today’s date in all calendar widgets now matches your in-app settings.
Updated anniversary information based on the official 2027 Korean calendar guidelines.
The minimum supported version is now iOS 18 to provide a more stable experience.
Support for the legacy Today Extension has ended. 9.7 Sep 16 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) 9.6 Jun 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. 9.5 May 18 Updated Labor Day as an official public holiday. (Korean calendar only)
Separated event and memo data handling in the manual backup and restore feature. 9.3 Apr 17 Improves performance and fixes bugs 9.2 Apr 10 Fixed an issue where the selected background was not included when saving wallpapers
Fixed several UI issues in iOS 26 9.1 Apr 7 Fixes the issue where lunar events are not removed.
Fixes several UI issues that occurred in iOS 26. 9.0 Mar 20 Fixed a bug where the app could crash when entering the wallpaper settings screen
Resolved an issue where the lunar event settings screen occasionally did not work properly 8.9 Mar 16 From 2026, National Foundation Day (Gaecheonjeol) will be observed as a public holiday (Korean calendar only).
Fixed a bug where deleting an event also removed yearly recurring events.
Fixed an issue where the app could crash in some countries. 8.8 Mar 6 Fixed an issue where the year and month were not visible on small devices or when using larger text sizes
Moved the calendar country setting button to the settings screen and removed the festival calendar feature 8.7 Jan 9 Welcome to 2026!
We’ve updated the app icon and applied the iOS 26 UI design. 8.6 12/23/2025 Add the 2027 calendar and ensure that weather information, which was intermittently not displayed, is shown normally.
Improve the Korean calendar so that the festival calendar works properly. (Tour API)
Reflect the "Nationwide Local Elections" on June 3, 2026, and other anniversaries in the Korean calendar, and also incorporate the lunar calendar notes from the Aerospace Administration, such as "National Flag Day" in 2026. 8.5 09/03/2025 Provide a default calendar without selecting a country, and display the 21st presidential election on June 3, 2025, in the Korean calendar. 8.4 04/08/2025 Add an event search feature (Pro version only) and provide a toolbar button for quickly changing the calendar region. 8.3 03/18/2025 • Fixes a bug where the lock screen widget does not update.
• Supports manual data backup and restoration. 8.2 03/05/2025 • Add January 27, 2025, as a temporary holiday in the South Korean calendar. 8.1 01/08/2025 • We are updating the app icon to welcome the year 2025. 8.0 12/27/2024 • Improve the calendar background customization feature (user photos, various color settings, etc.).
• Fix a bug where lunar events occasionally fail to display in widgets. 7.9 12/16/2024 • Fix issues where the widget malfunctions when the “Monday Start” setting is enabled or displays incorrectly.
• Resolve an issue where the year and month display occasionally fail to update while scrolling the calendar on certain devices. 7.8 11/22/2024 • Improve the design of the “+” button on the main screen to quickly add events.
• Enhance the design of the annual calendar.
• Add the “One Year Ago Today” feature exclusively for Pro version users. 7.7 11/15/2024 • Provides an option to add an emoji either before or after the text when tapped.
• Improved widget functionality to reduce cases of widget malfunctions. 7.6 10/31/2024 • You can now toggle the option to display Saturdays in blue and the option to display both Saturdays and Sundays in red.
• When selecting an emoji, it will now be added to the beginning of the event.
• Fixed an issue where the calendar layout would break on iPad when the week starts on Monday.
• Fixed an issue where the calendar starts in January 2020 and the calendar layout breaks on some devices. 7.5 10/22/2024 • You can now toggle the option to display Saturdays in blue and the option to display both Saturdays and Sundays in red.
• When selecting an emoji, it will now be added to the beginning of the event.
• Fixed an issue where the calendar layout would break on iPad when the week starts on Monday. 7.4 10/21/2024 • Added event calendar feature. You can now view event, festival, and performance information in Korea displayed on the calendar.
• We support the Monday-start feature. Depending on the region, the system default settings will be applied, or you can configure it in the Red Calendar app under "Calendar Style - Day Style" in the settings. 7.3 10/01/2024