I love the seamless multi-calendar integration feature in OneCal. Having one place to reconcile multiple calendars is incredibly helpful for me. Additionally, the programmatic interaction through the MCP or the API is fantastic as it allows my AI agent to manipulate my calendar behind the scenes effectively, reducing my frustration, stress, and freeing up my time significantly. Review collected by and hosted on G2.com.

I think OneCal could improve by adding location autocomplete for new event creation. It would also be great if it could integrate better with Google Contacts or any contact manager so events can auto-complete with the right details. That'd be really cool. Review collected by and hosted on G2.com.