Red Calendar 2026 Downloads & RevenueRed Calendar 2026 · App Store
빨간달력 2026
Red Calendar 2026 is #131 in Productivity Free in South Korea and charting in 1 of 30 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
Developerjaesung Lee
CategoryProductivity
PriceFree
Released
Rating★ 4.7 (43k)
Version10.3
Age rating4+
First seen by us
25 Sep 2026
25 Sep 2026Installs (est.)1M+ worldwide
📦Updated to version 10.3📦Updated to version 10.2📈Entered the top 100🆕First spotted by AppInsider🆕Released on the App Store
Full timeline · 11 events
- 📦Red Calendar 2026 updated to version 10.3일정 저장과 수정 및 삭제 속도를 개선했습니다. 일정이 많은 달력에서도 변경 사항이 더 빠르게 반영됩니다.
위젯이 간헐적으로 멈추거나 흰색 또는 검은색 배경만 표시되던 문제를 해결했습니다.
프로 버전에서는 달력 스타일 설정에서 이전 달과 다음 달의 날짜를 표시하는 옵션을 켜거나 끌 수 있습니다.
공유한 달력 이미지에서 오늘 날짜가 보이지 않던 문제를 수정했습니다. - 📦Red Calendar 2026 updated to version 10.2• 이벤트 저장과 iCloud 동기화의 안정성을 개선했습니다.
• 앱 실행 시 이벤트와 메모를 불러오는 속도를 개선했습니다.
• 몇 가지 작은 오류를 수정했습니다. - 📦Red Calendar 2026 updated to version 10.1• 이벤트 내용이 +n 숫자로만 표시되던 방식을 개선했습니다. 이제 표시 가능한 이벤트 내용을 최대한 보여준 후, 표시하지 못한 이벤트 수를 +n으로 표시합니다.
• 일부 기기에서 흰 화면이 지속되거나 이벤트 저장 중 오류가 발생하던 문제를 해결했습니다. - 📦Red Calendar 2026: now updating weekly4 updates in 30 days, after a quiet two months
- 📦Red Calendar 2026 updated to version 10.0• 반복 및 연속 이벤트의 색상을 지정할 수 있습니다.
• 프로 버전 사용 시, 위젯의 여유 공간에 앱과 동일하게 이전 달과 다음 달을 표시합니다.
• 달력 스타일에서 ‘이벤트 한 줄로 표시’ 옵션을 꺼도 이벤트가 한 줄로 표시되던 문제를 수정했습니다. - 📦Red Calendar 2026 updated to version 9.9• 연속 이벤트가 더욱 자연스럽게 표시되도록 개선했습니다.
• 여러 이벤트가 등록된 날짜의 표시 방식을 개선했습니다.
• 이벤트 저장 및 수정 속도를 개선했습니다.
• 이모지로 이벤트를 검색할 수 있습니다.
• 주간 위젯에서 여러 이벤트가 정상적으로 표시되도록 개선했습니다. - 📦Red Calendar 2026 updated to version 9.8We’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.… more - 📈Red Calendar 2026 entered the top 100Top Grossing · Productivity · KR
- 🆕Red Calendar 2026 first spotted by AppInsider#70 in Top Free · Productivity · South Korea
- 📦Red Calendar 2026 version 9.7Added 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.… more - 🆕Red Calendar 2026 released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.7 ★
43k ratings
Measured
Best rank now
#131
Productivity FreeMeasured
New ratings a week
162
▼ -54% vs the 2 weeks before
Measured
Red Calendar 2026 on the App Store
App details
App ID
1489018103
Publisher
jaesung Lee
On the store since
Dec 2019
6 years on the store
Minimum OS
iOS 18.0+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
6
EN JA KO ZH ZH VI
Size
96 MB
Also listed in
Utilities
Red Calendar 2026 downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Red Calendar 2026's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Red Calendar 2026 before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: Subscription-led
How Red Calendar 2026 makes money: subscriptions, one-off purchases and ads.
SubscriptionsIn-app purchases
Subscriptions
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Monthly Pro Subscription subscription | |
| 2 | Yearly Pro Subscription subscription |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| South Korea | ProductivityFree | #131 |
Apps near Red Calendar 2026 on the chart
Productivity Free, around #131.
Ratings
App Store, worldwide.
Rating
4.7 ★
43k ratings
Measured
Ratings
43k
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
162
▼ -54% vs the 2 weeks before
Lifetime rating
4.7★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
64/100
faster than 95% of Productivity apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
About 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
Con
• 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
Con
Latest updates
10.3
일정 저장과 수정 및 삭제 속도를 개선했습니다. 일정이 많은 달력에서도 변경 사항이 더 빠르게 반영됩니다.
위젯이 간헐적으로 멈추거나 흰색 또는 검은색 배경만 표시되던 문제를 해결했습니다.
프로 버전에서는 달력 스타일 설정에서 이전 달과 다음 달의 날짜를 표시하는 옵션을 켜거나 끌 수 있습니다.
공유한 달력 이미지에서 오늘 날짜가 보이지 않던 문제를 수정했습니다.
10.2
• 이벤트 저장과 iCloud 동기화의 안정성을 개선했습니다.
• 앱 실행 시 이벤트와 메모를 불러오는 속도를 개선했습니다.
• 몇 가지 작은 오류를 수정했습니다.
10.1
• 이벤트 내용이 +n 숫자로만 표시되던 방식을 개선했습니다. 이제 표시 가능한 이벤트 내용을 최대한 보여준 후, 표시하지 못한 이벤트 수를 +n으로 표시합니다.
• 일부 기기에서 흰 화면이 지속되거나 이벤트 저장 중 오류가 발생하던 문제를 해결했습니다.
