Regardless of whether you decide you use WordPress.com’s free hosted blogging service or setup your own self hosted WordPress.org powered site, both versions use exactly the same core software files.
However, there are many differences when it comes to control which is the reason many bloggers end up moving to their own self hosted WordPress site.
Here’s a visual display of the differences between the 2 WordPress platforms which will help you decide on what path to take based on your own needs.
Thanks to WPBeginner for the use of this infographic
Read more about how to move from WordPress.com to WordPress.org