WordPress.com is the building block of the WordPress platform which is geared towards those looking for complete control over their site and have more time to invest in a bit of coding.
More technical users who want to build the ultimate blog
Free domain name for the first year
Removal of WordPress.com Ads
Over 50,000 WordPress plugins (Business and eCommerce plans) to choose from
Subscription payment features
Knowledge of basic coding skills is recommended but novices can get by with some templates and add-on software. Steeper learning curve for more complex features.
Specific editor to help content creation
Numerous video tutorials
Support Forum for queries
Yes, for annual subscription