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 is shutting down. Your calendars still need to talk to each other.
Compare](/content/alternative/clockwise/index.html)
[**Reclaim.ai**
Reclaim does a lot. Maybe too much. CalendarPipe just syncs — and does it right.
Compare](/content/alternative/reclaim/index.html)
[**OneCal**
OneCal syncs calendars. CalendarPipe lets you program how they sync.
Compare](/content/alternative/oncecal/index.html)
[**CalendarBridge**
CalendarBridge syncs your calendars. CalendarPipe lets you program the sync.
Compare](/content/alternative/calendarbridge/index.html)
[**SyncThemCalendars**
SyncThemCalendars keeps it simple. CalendarPipe keeps it programmable.
Compare](/content/alternative/syncthemcalendars/index.html)
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, CalDAV access, MCP server for AI agents
- Free forever plan. Pro at $4/month. No hidden fees.