Compare software

TimeTreeGoogle Calendar
Freemium

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

 Free

Free with a Google account.

Android, iOS Web
  • Multiple shared calendars for different groups
  • Simple invite-based sharing
  • Free to use
  • Syncs across devices
  • Free version shows ads
  • File attachments and some views require Premium
  • Requires a Google account
  • Data is stored on Google's servers
Downloadable app Web application, Hosted service
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked September 23, 2026

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