Email, calendar & tasks
BusyCal vs Calendar 366
Both replace Fantastical Premium, Calendars by Readdle and Vimcal.
| Fact |  BusyCalPower-user Mac calendar that never went subscription |  Calendar 366 |
|---|---|---|
| Price | $49.99 | $49.99 |
| Licence | Paid upgradesMajor versions cost again | Lifetime tierA one-time plan of a subscription app |
| The catch | The licence never expires but includes only 18 months of updates | The $49.99 unlock is an in-app purchase, and separate iOS-only unlocks are sold alongside it |
| Against a subscription | 11 monthsAgainst Fantastical Premium at $57 a year | 11 monthsAgainst Fantastical (Flexibits Premium) at $57 a year |
| Seats | 5 MacsA personal licence covers up to 5 of your own Macs; multi-user licences cover one Mac each. | not established |
| Developer account | None needed | None needed |
| Works offline | Yes | Yes |
| Apple Silicon | Native | Native |
| Free trial | Yes | Yes |
| On Setapp | No | No |
| Minimum macOS | not established | macOS 14.6 |
| App Store rating | not established | 3.4 from 41 |
| Buy direct | Buy on the App Store |
Both prices read 22 Sep 2026, on the pages these buttons open.
In their own right
BusyCal
A native Mac calendar with a scrolling list view, travel time, weather and to-dos alongside events, working across iCloud, Google, Exchange and plain CalDAV. Sold as a one-time licence that comes with an 18-month update window.
Calendar 366
A Mac calendar app that keeps its menu bar dropdown alongside a full window, handling events and Apple Reminders together. Free download with either a yearly or a one-time unlock.