About this app
Check Calendar is the best app to check your calendar, record and analyze. It has powerful features such as 1000+ emojis, tab management and more. ■ Features ・Check with one tap ・Over 1000 emojis ・Unlimited tabs ・Persistence of data ■ Security Security is paramount in this app. Your data will be kept confidential. ■ No login Launch the app and you can start using it right away. ■ Data can be persisted The data saved in the terminal will remain forever until the application is deleted. ■ Contact Please feel free to contact us anytime. Mail：info@checkcalendar.app Twitter：@CheckCalendar ■ Promise We want you to feel that "I'm glad you used this app". That's the promise from the check calendar.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 12, 2026 · 10:44 PM $3.99
Screenshots
