As it turns out, you can easily add your Google Calendar to macOS’ Calendar app, so it will sync almost instantly. No, if you’re a Mac user, you want to use the beautiful calendar that comes with macOS, so you can get native Mac notifications for appointments and other integrations. RELATED: How to Add Your Gmail, Contacts, and Google Calendar to Your iPhone or iPad But if you’re a Mac user, you probably don’t want to manage your calendar in a web browser, using an ugly user interface, like some kind of digital peasant. Google Calendar was the first truly great web-based calendar, and is the default calendar of millions of people to this day.