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Best Calendar App for Mac and iOS

The best calendar app depends on how you plan. This page compares BusyCal with Fantastical, Outlook Calendar, Apple Calendar, Google Calendar, Notion Calendar, and Readdle Calendars on Mac and iOS. BusyCal may suit you if you want several calendar accounts in one window, detailed filters and view settings, tasks alongside events, and a one-time purchase option. Start with these questions:

  • Do you plan with calendar blocks, task lists, or both?
  • Do you need one app across iCloud, Google, Exchange, and CalDAV?
  • Do you want to customize views and settings, or use the defaults?
  • Do you want people to book available meeting times through a link?
  • Do you prefer a one-time purchase or a subscription?

Below are links to individual comparisons, an overview of BusyCal features, and official product pages for each app.

Last reviewed: October 16, 2026.

Comparison Pages​

BusyCal Bookings lets people book a call, consultation, or other meeting through a link. You choose the calendars to check for busy times, set your hours and breaks between meetings, and decide whether to approve each request. Confirmed bookings appear in the calendar you choose. Learn More.

Bookings is currently available only in BusyCal for Mac. Once you activate it on your Mac, the iPhone app automatically syncs free/busy times if both devices use the same iCloud account. Access depends on your Mac license’s update coverage, an active Mac App Store subscription or Setapp membership, or the free trial. See the access requirements.

Fantastical has Openings, Google Calendar has appointment schedules, Notion Calendar has scheduling links, and Microsoft offers Personal Bookings. Compare their account and plan requirements as well as the booking options you need.

What You Can Do with BusyCal​

  • Working Hours toggle: Collapse non-work hours in Day and Week views with one click.
  • Sunrise & sunset shading: Show daylight and nighttime as light and dark bands in Day and Week views.
  • Event alignment: Use Match Start/End, Create Between, and Create After in the context menu to align events and fill gaps in your schedule.
  • Nested Smart Filters (ALL/ANY/NONE): Combine reusable groups of rules to filter your calendar.
  • Calendar Sets and saved view settings: Save calendars, filtering rules, and view settings together, then switch between them.
  • Flexible Week view (2–90 days): Show as few as two days or as many as 90.
  • Multiple time zones: Show up to three zones together in the time ruler.
  • Weather forecasts and moon phases: See both in your calendar views.
  • Travel time with live traffic: Get Time to Leave alarms that update with traffic conditions.
  • Colored tags and rules: Assign colors to tags and apply tags automatically during sync, with rules for each account.
  • Conference calls: Create Zoom and Teams meetings from an event with one click.
  • Task organization: Sort, filter, and group tasks using due dates, priorities, titles, calendars, tags, or manual order.
  • Configurable defaults: Set automatic alarms by event or task type, automatic travel time, default duration and priority, and a floating time zone.
  • Upcoming event countdown: See how long until your next event in the menu bar without opening the app.
  • Automation: Use AppleScript, the official Claude Desktop / MCP integration, or the Raycast extension to work with your calendar.

Official Calendar Product Pages​

Get Started with BusyCal​

Want to compare a few more options before deciding? Browse all BusyCal comparison guides.