What’s new
-Fixed the donation method card background in Light Mode.
-Reduced spacing around the offline privacy message on the home screen.
-Addressed the missing app title in the F-Droid listing.
Quick answer
Simple ofline date calculator with reminder.
DayCalcy is a simple, private and completely offline date calculator with reminders.
Features: - 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 also includes Countdown Widgets for tracking upcoming events and a Year Progress Widget to view the progress of the current year directly from your home screen.
DayCalcy works without an internet connection and does not require online services.
Screenshots
How to install
- Download the APK from the button at the top of this page.
- Allow “Install unknown apps” for your browser or file manager only, not for every app.
- Open the downloaded file and confirm the installation.
- If installation fails with “App not installed,” remove an earlier build of the same app first. A signature conflict is the usual cause.
Data safety
- Every file is checked against its published SHA-256 before it is listed.
- Files are scanned for malware on every update.
- The permissions each app requests are listed on its own page.
- Read the full safety policy for how we test, flag, and delist files.
Frequently asked questions
What is DayCalcy?
Simple ofline date calculator with reminder.
Who develops DayCalcy?
DayCalcy is developed by Veevek.
Which Android version does DayCalcy require?
DayCalcy requires Android API 24 or later.
What is the current version of DayCalcy?
The synchronized F-Droid version is 3.43.7.
Which license does DayCalcy use?
The signed F-Droid metadata lists GPL-3.0-only.
Where is the source code for DayCalcy?
https://github.com/Veevek1/DayCalcy
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