Use Dashboard > Site Stats to view overall site statistics. In the pages and posts sections, you can view statistics for individual pages or posts.
WordPress apps are available for both Android and Apple mobile devices. These enable mobile posting and comment moderation.
Jetpack.me provides a variety of features to WordPress.com users. These features include tracking of site statistics, social media sharing features, a simple contact form tool, and the ability to create shortened links. These features are available to all WordPress.com users.
Self-hosted WordPress.org users may add any of thousands of WordPress plugins. In particular, users may now add Jetpack.me features to self-hosted WordPress.org sites. Historically, these had only been available to WordPress.com users.