How can I add themex? spela.sluga January 27, 2021 21:28 Updated themex can be purchased as an add-on for a recurring fee if you are a member in good standing of ECX. Related articles What is ECX academy? how can I purchase and access ECX academy? Welcome To themeX How can I add the ROAS calculator? How much does it cost to use the Shopify platform? Comments 0 comments Please sign in to leave a comment.