How does Shopify support third-party applications in themes?

Shopify supports third-party applications in themes primarily through integrations that add functionalities. This means that themes can seamlessly incorporate these applications to enhance the store's capabilities, allowing merchants to utilize various features such as enhanced payment processing, advanced analytics, marketing tools, and customer engagement solutions.

Integrations enable developers to connect their apps to the themes, providing a user-friendly experience for merchants who want to customize their storefronts without extensive technical knowledge. These integrations can range from basic enhancements like social media links to complex features that completely transform the shopping experience.

Other options suggest limitations or restrictions that do not characterize Shopify's approach. For instance, restricting access to theme files would inhibit the ability to integrate applications effectively. Similarly, while developer tools for standalone apps are important, they are separate from the specific integration within themes. Lastly, suggesting a marketplace limited strictly to purchasing apps does not capture how Shopify allows themes to interact with third-party applications for added functionality.