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Google Calendar vs BusyCal: catalog facts
Google Calendar	BusyCal
Free Free with a Google account.	Paid Costs $49.99 USD after a free 14-day trial, and is also included in Setapp.
Web	macOS, iOS
Free to use Syncs across devices	Works with iCloud, Google, Exchange and CalDAV Highly customizable views including a Year Planner
Requires a Google account Data is stored on Google's servers	Apple platforms only Paid after the trial
Web application, Hosted service	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.