Productivity · Open source
DayCalcy
Veevek
Simple ofline date calculator with reminder.
Download
Opens the official F-Droid page
About DayCalcy
DayCalcy is a simple, private and completely offline date calculator with reminders.
Calculate the number of days between dates, add or subtract days, calculate age, compare dates and work with time durations.
Save important dates as reminders and get notified when they arrive.
DayCalcy works without an internet connection and does not require online services.
How to install DayCalcy
- Tap Download — the app's official page on F-Droid opens.
- Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
- If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
- Open DayCalcy from your app drawer.





