From Google Analytics to Appcues, there are a plethora of tools and platforms available to help you measure product adoption and retention, depending on your product type, size, and budget. Google Analytics is a free and powerful tool that allows you to track and analyze website and app traffic, behavior, and conversions, as well as set up custom goals and events. Mixpanel is a paid and advanced tool that enables you to track and analyze user actions, events, and funnels, and to create personalized and targeted messages and campaigns. Amplitude is a paid and comprehensive tool that allows you to track and analyze user behavior, retention, and engagement, and to create user segments, cohorts, and personas. Intercom is a paid and versatile tool that enables you to communicate and interact with your users, and to measure and improve user satisfaction, feedback, and support. Lastly, Appcues is a paid and user-friendly tool that allows you to create and launch in-app experiences, such as onboarding flows, feature announcements, or surveys, and to measure and improve user adoption and retention.