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"WordPress" confusingly refers to two different things people buy — self-hosted WordPress software running on hosting you control, versus WordPress.com's own hosted platform — and mixing these up is one of the most common early mistakes people make setting up a WordPress site.
WordPress Managed Hosting: full plugin freedom, more responsibility
WordPress Managed Hosting runs the free, open-source WordPress software on hosting specifically optimized and maintained for it — you get full access to install any of the tens of thousands of available plugins and themes, and complete control over customization. The hosting provider handles server maintenance and WordPress core updates, but you're responsible for choosing and maintaining your own plugins and overall site configuration.
WordPress.com: a fully hosted platform with built-in limits
WordPress.com Premium/Business is a different product entirely — a fully hosted platform (similar in spirit to Squarespace or Wix) that happens to be built on WordPress technology, but restricts plugin installation and customization significantly on lower tiers. Higher WordPress.com tiers do unlock more plugin access, but even then it remains a more controlled environment than fully self-hosted WordPress.
The plugin ecosystem is the single biggest practical difference
WordPress's massive advantage over most website builders is its plugin ecosystem — but that advantage is largely unavailable on lower WordPress.com tiers, which somewhat defeats the purpose of choosing WordPress in the first place if plugin flexibility was your reason for considering it. If specific plugin functionality (advanced SEO tools, custom e-commerce features, membership systems) is why you want WordPress, managed hosting with full plugin access is almost always the better fit.
WordPress.com is genuinely easier for non-technical users
The tradeoff runs the other direction too — WordPress.com handles security, backups, and updates entirely on your behalf with no technical decisions required, which is a real advantage for someone who wants to write and publish without touching server-level maintenance concerns at all. Managed hosting still requires some ongoing decisions (which plugins to trust, keeping them updated) that WordPress.com abstracts away.
Migration between the two is possible but not trivial
Moving from WordPress.com to self-hosted managed WordPress (or vice versa) is a real project involving exporting content, reconfiguring themes, and often losing some WordPress.com-specific features that don't have a direct equivalent in self-hosted WordPress — worth choosing carefully upfront rather than assuming an easy switch later once you understand which model actually fits your needs.
E-commerce needs differ significantly between the two
If e-commerce is part of the plan, self-hosted WordPress with a plugin like WooCommerce generally offers more customization than WordPress.com's more limited built-in commerce features — worth checking specific e-commerce plugin support directly if online selling is a core requirement rather than an afterthought.
Theme customization depth differs meaningfully too
Beyond plugins, self-hosted WordPress allows full theme file editing and custom code injection that WordPress.com restricts on lower tiers — worth checking specifically if a highly customized visual design (beyond what a theme's built-in settings allow) is part of your plan for the site.
The bottom line
Want full plugin freedom and are comfortable with more setup responsibility: WordPress Managed Hosting. Want a fully hosted, low-maintenance platform and don't need deep plugin customization: WordPress.com. Both, plus website builders like Shopify and Wix, are in Domains & Hosting.