Calendrz icon
Calendrz icon

Calendrz

Calendrz automatically mirrors your availability across all your Google and Microsoft calendars. When you're busy in one calendar, Calendrz blocks that time in all the others — so you never get double-booked.

Calendrz screenshot 1

Cost / License

  • Freemium (Subscription)
  • Proprietary

Application type

Platforms

  • Online
  • Software as a Service (SaaS)
Calendrz screenshot 1
Calendrz screenshot 2
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Features

Properties

  1.  Privacy focused

Integrations

  1.  Calendar
  2. Outlook Calendar icon  Outlook Calendar
  3. Google Calendar icon  Google Calendar
  4. Microsoft Outlook icon  Microsoft Outlook

Features

  1.  Multiple Account support
  2.  Ad-free
  3. Google Calendar icon  Sync with Google Calendar
  4.  Calendar View
  5.  No Coding Required
  6.  No Tracking
  7.  End-to-End Encryption
  8.  Calendar Sync
  9.  Model Context Protocol (MCP) Support

 Tags

Calendrz News & Activities

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Recent activities

  • LivCalendrz updated Calendrz
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Google Calendar

Manage events efficiently with device syncing, Gmail integration, event reminders, and shareable schedules on a user-friendly interface with dark mode.

 
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Calendrz information

  • Developed by

    US flagCalendrz

  • Licensing

    Proprietary and Freemium product.

  • Pricing

    Subscription ranging between $1 and $10 per month + free version with limited functionality.

  • Alternatives

    4 alternatives listed

  • Badge

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  • Supported Languages

    • English
Calendrz was added to AlternativeTo by Liv on and this page was last updated .
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Official Links

What is Calendrz?

If you juggle a work Google Calendar, a personal Outlook calendar, and maybe a freelance or side-project calendar, you know the pain: you accept a meeting in one account and accidentally double-book yourself in another. Calendrz solves this automatically.

Calendrz connects to all your Google and Microsoft calendar accounts and mirrors your availability across them in real time. When an event appears in one calendar, Calendrz creates a "hold" marker in your other calendars to block that time. When the event moves or gets cancelled, the hold updates or disappears. No manual effort, no browser extension, no shared calendar permissions needed — it just works in the background.

Calendrz also supports MCP (Model Context Protocol), so AI assistants like Claude and ChatGPT can see your unified availability across all accounts and help you find free slots, schedule meetings, or avoid conflicts. A generous free tier lets you get started immediately, with paid tiers for power users who need more connected accounts and advanced features.