Calendar FreeSync vs SyncThemCalendars
Both tools focus on calendar sync. Here is how Calendar FreeSync compares to SyncThemCalendars on the things that matter.
Quick answer: both support Google Calendar, Microsoft Outlook, and iCloud Calendar. Choose Calendar FreeSync for a permanent free plan and keyword filters. Consider SyncThemCalendars for higher paid sync limits.
Facts checked August 9, 2026
Source: SyncThemCalendars' official features, trial, and pricing page.
Calendar FreeSync is best for
Users who want simple Google Calendar, Microsoft Outlook, and iCloud Calendar sync, a permanent free plan, and keyword filters.
SyncThemCalendars is best for
Users who need higher sync limits in a focused paid calendar sync product.
| Calendar FreeSync | SyncThemCalendars | |
|---|---|---|
| Primary purpose | Calendar sync | Calendar sync |
| Setup time | Under 1 minute | ~2 minutes |
| Google Calendar | Yes | Yes |
| Outlook / Office 365 | Yes | Yes |
| iCloud Calendar | Yes | Yes |
| Automatic background sync | Yes | Yes |
| Event controls | Keyword include and exclude filters | Hide copied title, description, location, and more |
| Free tier | Yes | 14-day trial only |
| Paid pricing | $2.99/month Pro plan | $3.99-$17.99/mo (annual) |
When to choose Calendar FreeSync
Calendar FreeSync and SyncThemCalendars solve the same core problem and both support Google Calendar, Microsoft Outlook, and iCloud Calendar. Calendar FreeSync offers a permanent free tier and keyword filters, while SyncThemCalendars can hide selected fields in copied events and offers higher paid sync limits.
If you want to try calendar sync without committing to a paid plan, Calendar FreeSync lets you get started at no cost and stay on the free tier as long as you need.
When to choose SyncThemCalendars
Choose SyncThemCalendars when its higher paid sync limits or copied-event field controls are a better fit. Its official pricing table lists 5 syncs on Basic, 16 on Premium, and 36 on Professional when checked.
The tradeoff is cost: SyncThemCalendars has no permanent free tier, just a 14-day trial, so you will need to commit to a paid plan to keep your syncs running.
Calendar sync questions
Is Calendar FreeSync a good SyncThemCalendars alternative?+
Yes. Both tools focus on calendar sync and support Google Calendar, Microsoft Outlook, and iCloud Calendar. Calendar FreeSync offers a permanent free plan and keyword filters, while SyncThemCalendars offers higher sync limits on paid plans.
Does Calendar FreeSync have a free tier?+
Yes. Calendar FreeSync has a permanent free plan with 1 automatic background sync connection that does not expire. SyncThemCalendars offers a 14-day trial but no permanent free tier.
Can Calendar FreeSync sync Google Calendar with Outlook?+
Yes. Calendar FreeSync supports both Google Calendar and Microsoft Outlook with real-time webhook-based sync, one-way sync (create two connections for two-way), and keyword filters.
Does Calendar FreeSync support Apple iCloud Calendar?+
Yes. Calendar FreeSync supports iCloud Calendar as a one-way sync source or target and in the Pro unified calendar. It syncs automatically in the background, but it is not supported for booking availability or destinations.
How does Calendar FreeSync pricing compare to SyncThemCalendars?+
Calendar FreeSync has a permanent free plan (1 sync) and a Pro plan at $2.99/month (up to 10 syncs). SyncThemCalendars has no permanent free tier and ranges from $3.99 to $17.99/month annually depending on the plan and number of syncs.
Try it free, no trial expiration
Calendar FreeSync's free tier does not expire. Set up your sync and let it run.
Get started for free