Hi pmayerowitz,
Thanks for your interest in Chronosly plugin.
About import ICS file, yes Import & Export addon (sold separately in marketplace)
http://www.chronosly.com/product/import-export/
This addon allow users Import / Export your content (events, organizers, places and calendars) to iCal, .csv file (Excel or Numbers), Facebook or Google+
Lite version also doesn’t include Organizers and Places
http://www.chronosly.com/product/organizers-places/
We remain at your disposal for any further information you may need.