Calendar
Does Reminders work offline?
Shipping Reminders behavior is a local Mac utility. Reminders can appear beside events so the next action is visible. Network is not required for the core notch host.
Last updated 2027-01-22
What needs a network
Sparkle updates and optional music backends may need a network. Reminders itself is described as on-device where the feature allows.
AI is separate
NotNotch AI is in development and is not required to use Reminders.