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CalendarPipe vs the competition

See how CalendarPipe compares to other calendar sync tools. Programmable rules, Apple Calendar support, and a free-forever plan.

Clockwise

Clockwise shut down on March 27, 2026. Your calendars still need to talk to each other.

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Reclaim.ai

Reclaim does a lot. Maybe too much. CalendarPipe just syncs — and does it right.

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OneCal

OneCal syncs calendars. CalendarPipe lets you program how they sync.

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CalendarBridge

CalendarBridge tiers you by calendar count. CalendarPipe gives you programmable sync, no caps, and a free-forever plan.

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Don't Double Book Me

Don't Double Book Me syncs two Google or Outlook calendars. CalendarPipe adds Apple, programmable rules, and a free-forever plan.

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SyncThemCalendars

SyncThemCalendars keeps it simple. CalendarPipe keeps it programmable.

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ShadowCal

ShadowCal mirrors Outlook into Google. CalendarPipe syncs Google, Outlook, and Apple — with rules you control.

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CalendarSync.app

CalendarSync.app bundles sync, booking links, and AI notes. CalendarPipe focuses on programmable sync you control.

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GCalSync

GCalSync mirrors Google calendars simply. CalendarPipe adds Outlook, Apple, and programmable rules.

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Why CalendarPipe?

Most calendar sync tools copy events from A to B. CalendarPipe lets you decide what moves, how it looks, and who sees it.

  • Google Calendar, Outlook, and Apple Calendar — all first-class
  • Programmable sync rules: filter, transform, route events with code
  • Visual builder, AI builder, or code editor — your choice
  • Invitation-based delivery — no app needed on the other end
  • REST API and MCP server for AI agents
  • Free forever plan, or try Pro free for 14 days. $4/month after, no hidden fees.
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