Yes, WordPress themes are available in both free and premium (paid) types, allowing users to choose freely based on their needs and budget.

There are numerous free themes available:‌

The official WordPress theme directory offers over 13,000 free themes for users to download and use.
Many third-party websites (such as sites from developers like ThemeFurnace, SiteOrigin, etc.) also provide free theme downloads.
Free themes typically meet basic website-building needs, such as blogs and small business websites.

Premium (paid) themes also exist:‌

Developers or theme shops (like Catch Themes, Themeforest, etc.) provide premium themes with more powerful features, unique designs, and more comprehensive support.
Premium themes usually offer deeper customization options, more professional layouts, integrated specific functionalities (like e-commerce, membership systems), dedicated support, and regular updates.
Purchasing a premium theme typically requires obtaining a license, which dictates how many independent websites the theme can be used on.

Key Takeaways:‌

Vast selection of free themes:‌ Users have a huge selection of free themes to choose from, making it entirely possible to build a fully functional WordPress website for free.
Premium themes as an option:‌ For users needing more advanced features, unique designs, or dedicated support, premium themes offer another choice.