CalendarPipe vs the competition
See how CalendarPipe compares to other calendar sync tools. Programmable rules, Apple Calendar support, and a free-forever plan.
| Tool | How it differs | |||
|---|---|---|---|---|
| Clockwise | Yes | Beta only | No | Clockwise shut down on March 27, 2026. Your calendars still need to talk to each other. |
| Reclaim.ai | Yes | Yes | Workaround | Reclaim does a lot. Maybe too much. CalendarPipe stays lean — and gets sync right. |
| OneCal | Yes | Yes | Yes | OneCal syncs calendars. CalendarPipe lets you program how they sync. |
| CalendarBridge | Yes | Yes | Yes | CalendarBridge tiers you by calendar count. CalendarPipe gives you programmable sync, no caps, and a free-forever plan. |
| Don't Double Book Me | Yes | Yes | No | Don't Double Book Me covers Google and Outlook. CalendarPipe adds Apple, programmable rules, and a free-forever plan. |
| SyncThemCalendars | Yes | Yes | Yes | SyncThemCalendars keeps it simple. CalendarPipe keeps it programmable. |
| ShadowCal | Yes | Source only (publish link) | No | ShadowCal mirrors Outlook into Google. CalendarPipe syncs Google, Outlook, and Apple — with rules you control. |
| CalendarSync.app | Yes | Yes | Yes | CalendarSync.app bundles sync, booking links, and AI notes. CalendarPipe focuses on programmable sync you control. |
| GCalSync | Yes | No | No | GCalSync mirrors Google calendars simply. CalendarPipe adds Outlook, Apple, and programmable rules. |
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 installable agent skills for AI agents
- Free forever plan, or try Pro free for 14 days. $4/month after, no hidden fees.