Compare software

Google CalendarTimeTree
Free

Free with a Google account.

 Freemium

Free with ads; Premium costs 4.49 USD per month or 44.99 USD per year, varying by region.

Web Android, iOS
  • Free to use
  • Syncs across devices
  • Multiple shared calendars for different groups
  • Simple invite-based sharing
  • Requires a Google account
  • Data is stored on Google's servers
  • Free version shows ads
  • File attachments and some views require Premium
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

Checked September 23, 2026

Checked October 1, 2026

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