Is it Blogger or Blogspot?

It's quite normal to have a little confusion about whether it's called Blogger or Blogspot because this blogging platform is accessed at domain whereas your blogs are hosted on subdomain . So to make things clear just remember that Blogger is the blogging tool that let's you write your blogs and Blogspot is the free domain where your blogs are hosted .

Blogger : The blogging platform that let's you manage your blogs for free without you having to worry about server management and all that technical details of hosting a blog.

Blogspot: The free domain service that gives you free subdomain to host the blogs that you create on Blogger platform . This process is automatic so all your blogs are hosted on blogspot subdomain.