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Calendars by Readdle vs Fantastical: catalog facts
Calendars by Readdle	Fantastical
Free Free to download from the App Store and as a Mac download.	Freemium Free to start, with optional premium features.
macOS, iOS	Windows, macOS, iOS
Natural language event creation Calendars and tasks in one view	Natural language event and reminder entry Combines many calendars into one view
Apple platforms only No Windows or Android version	Premium features require payment No Android or Linux version
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is 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 October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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