SyncThemCalendars is a solid, straightforward sync tool. CalendarPipe builds on that foundation with programmable rules, API access, and a free tier — at a lower price point.
SyncThemCalendarshas strengths, but here's what users run into.
SyncThemCalendars offers rename and privacy controls, but you can't write conditional logic or transform events with code.
SyncThemCalendars charges by sync count — 5 syncs on Basic, 36 on Professional at $18/month. CalendarPipe Pro gives you unlimited syncs for $4/month.
Published tiers are for individual users. If you need team features or multi-user billing, options may be limited.
SyncThemCalendars doesn't offer a REST API, CalDAV access, or integrations for automations and AI agents.
CalendarPipe vs SyncThemCalendars — side by side.
| Feature | CalendarPipe | SyncThemCalendars |
|---|---|---|
| Google Calendar | ||
| Outlook / Microsoft 365 | ||
| Apple Calendar / CalDAV | ||
| ICS Feed support | ||
| Programmable sync rules | ||
| Event filtering & transformation | Full (JS sandbox) | Rename/privacy |
| Invitation-based delivery | ||
| REST API | ||
| CalDAV access | ||
| MCP server (AI agents) | ||
| Free plan | Forever free | 14-day trial |
| Unlimited syncs | $4/mo | $18/mo (36 syncs) |
Write JavaScript that filters, transforms, and routes events. Use the visual builder or plain English for simple cases. SyncThemCalendars gives you rename and privacy toggles — CalendarPipe gives you a programming language.
CalendarPipe Pro is $4/month for unlimited sync rules. SyncThemCalendars Professional is $18/month for 36 syncs.
CalendarPipe's free plan never expires — 2 calendars, 1 sync rule. SyncThemCalendars only gives you a 14-day trial, then it's pay or leave. We match the trial length and let you stay free after.
REST API, CalDAV access, and MCP server for AI agents. Integrate calendar sync into your workflows and automations.
Common questions about switching from SyncThemCalendars.
Two minutes to set up. Free forever plan, no credit card. Or try Pro free for 14 days.