calendar availability, simplified

Block you time
across all calendars

Rejecting meetings because you are booked in another calendar sucks. Merging your time across multiple calendars should be easy.

OneCal helps you avoid meeting conflicts by automatically blocking time in your calendar for meetings in other calendars.

Start for freeNo credit card required

How does OneCal work?

After you connect your Google or Outlook calendars and set up the sync configuration, OneCal will keep your events up to date in real time on all configured calendars.


Connect your calendars

Connect your calendars from the different supported providers. We support Google Calendar and Microsoft Outlook.

Connect calendars user interface

Choose which calendars to sync

Select which calendars you want to keep in sync. We support one-way and two-way syncs between multiple calendars.

Choose calendars to sync user interface

Configure how events are copied

We want you to have control over which events and inforation we sync over so we offer a wide variety of settings for you to configure.

Configure sync user interface

You are done!

Events from your source calendar will appear in your selected target calendar(s) and OneCal will automatically keep them up to date.

Frequently asked questions

Ready to sync your Calendars?

Reflecting your availability across multiple calendars is tedious and time-consuming. OneCal was created with a mission to give peace of mind to calendar users.