Both are handled by Automattic, both are using the famous WordPress publishing script, but both are different in a couple of definite ways. WordPress is a very powerful tool, that even not so techies people can coupe with and make use of, even teenagers from ages 10-13 are starting WordPress blogs on their own. But, what actually is the difference among the two?
If you go with WordPress.Com, you can be sure of almost a hundred percent of uptime and quick server response, keeping your website online all the time. You also don’t need to worry about server maintainenance nor worry about upgrading your WordPress blog every now and then when a new version has been released.