Subdomain:
A Subdomain is a url that is hosted on our website moblwebapp.com and is best used when you are looking to review a site online, but are not yet ready to add a Custom Domain. You can read how to set up the Subdomain here: Setting up a Subdomain
Custom Domain:
It's always best to use a Custom Domain for your clients. Typically, creating a Custom Domain is the last step of creating a client site and is best done right before the site is set to public and becomes searchable by Google. How to set up your Custom Domain
