eido icon
eido icon

eido

Free calendar synchronization for Google Calendar and Outlook. Real-time webhook sync with privacy-first Busy Only mode. Connect up to 2 calendars free forever—no credit card required.

Homepage #2

Cost / License

  • Freemium
  • Proprietary

Platforms

  • Online
Homepage #1
Syncs visualization
+2
Sync creation
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Features

Properties

  1.  Lightweight
  2.  Privacy focused

Features

  1.  Ad-free
  2.  End-to-End Encryption
  3.  Calendar Integration
  4. Google Calendar icon  Sync with Google Calendar
  5.  No Tracking
  6.  Calendar Sync

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  • pedromlchaves added eido
  • POX updated eido

eido information

  • Developed by

    eido

  • Licensing

    Proprietary and Freemium product.

  • Pricing

    free version with limited functionality.

  • Alternatives

    0 alternatives listed

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  • Supported Languages

    • English
eido was added to AlternativeTo by pedromlchaves on and this page was last updated .
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What is eido?

eido is a free calendar synchronization platform that makes it easy to keep your Google Calendar and Outlook events in sync across multiple accounts. Unlike OneCal and CalendarBridge, eido offers a generous free tier with no credit card required and an extremely affordable Pro tier.

Free Tier Includes:

  • Connect up to 2 calendar accounts (Google & Outlook)
  • Real-time synchronization via webhooks (no polling delays)
  • Cross-provider sync (Google ? Outlook)
  • Bidirectional sync support
  • Busy Only mode for privacy-first syncing
  • Loop prevention for safe bidirectional sync

Pro Features (Paid):

  • Unlimited calendar accounts
  • Full Details mode (sync titles, descriptions, locations, attendees)
  • Advanced filtering (keywords and regex patterns)
  • Custom title templates