Squarespace offers Free Trial, but MailChimp does not.
Squarespace is designed for Medium Business and Small Business.
MailChimp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Squarespace begins at $12/Month when Billed Yearly, while pricing details for MailChimp are unavailable.
Some top alternatives to Squarespace includes Unbounce, VWO Deploy, WordPress, SITE123, Wix, Webflow, Envato Sites, WebsiteBuilder, Bookmark Website Builder, Format, Website.com, SiteBuilder.com, Square Ecommerce, GoDaddy Website Builder and Web.com.
Some top alternatives to MailChimp includes Campaigner, Moosend and SMTP.