In addition to the Calendar Builder, ICS Calendar Pro provides complete support for the standard manual shortcode-based approach to creating calendars from the free ICS Calendar plugin, with additional support for the extra views (layouts) and options included in the Pro version.
[ics_calendar url="https://example.com/feed.ics" title="My Calendar" description="none"]You can even mix-and-match individual shortcode settings with a saved calendar ID, allowing you to override specific settings of the saved calendar in individual instances around your site.
[ics_calendar id="1234" description="Customized description."]A full list of the configuration options is available in the User Guide.