Calendar DND
Your phone knows when to be quiet.
Automatic Do Not Disturb for Android. When your meeting starts, your phone silences itself. When it ends, everything goes back to normal. No more fumbling for settings during important calls.
100% Open Source · View on GitHub
See It In Action
Simple setup. Powerful automation. Zero effort after that.
Homepage: core automation at a glance
DND activated: automation + status checks
Filters: tailor activation to your needs
Themes: light/dark + hidden options
Individual events: custom actions per meeting
Why Calendar DND?
Instant & Automatic
Set it once, forget forever. DND activates the moment your meeting starts and turns off when it ends.
Smart Meeting Merging
Back-to-back meetings? No problem. Calendar DND keeps you silent through consecutive meetings without gaps.
Respects Your Choices
Manually changed DND during a meeting? The app notices and backs off. You're always in control.
Privacy First
All processing happens on your device. Your calendar data never leaves your phone. No accounts needed.
Battery Friendly
Efficient scheduling with minimal background activity. Your battery won't notice it's running.
Highly Configurable
Personalized filters to fit your needs: calendars, busy-only, ignore all-day, minimum duration, skip recurring, days of week, location required, title keywords.
How It Works
Install & Enable
Download the app and flip the automation switch on.
Grant Permissions
Allow calendar access and DND control. The app guides you through it.
Forget About It
That's it. Your phone now silences itself during meetings automatically.
Requirements
- Android 8.0 (Oreo) or higher
- A calendar app with synced events
- Works great on Samsung devices