Calendar S, an efficient calendar to-do app, reduces the operation to the simplest and mentions the highest efficiency.
With a few simple operations, you can organize your daily life, study, work, and fitness.
You can use the to-do and calendar together to focus on the completion status or use the calendar to arrange your schedule carefully.

No ads, no fees

Minimalist design: the interface is clear and intuitive, and the details are carefully designed to make you more aware of your schedule
Data security: you can sync with the server without logging in
Personalized reminder: multiple circular reminder modes to meet various personalized needs
Simple operation: Convenient and easy to use, clear function at a glance, operation as you want
Ebbinghaus: Memory curve circulation mode, helps learning working memory, a good helper for learning
Pomodoro Clock: focus on time, with white noise, let you concentrate on doing the things in front of you, and also help you fall asleep
Operation history: complete event records and operation records for easy inquiry
Lunar calendar adaptation: carefully adapted to the lunar cycle reminder mode, more suitable for Chinese people
Seamless connection: system calendar import, schedule seamless connection
Automatic processing: Unfinished to-do events are automatically moved to today, and completed events are automatically removed the next day without tedious operations

Stay tuned:
Carefully select more loving ringtones
Share schedules and learn effective arrangements for others

Looking forward to your further suggestions:
Email: [email protected]