Send a deletion request (with your user name) to: support@cozi.com. By the way, we could not find this info on their site. Shame.
URLS:
http://www.cozi.com
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.
Customer support service +1 866 94O OOO5 . Call them