App analytics are essential for understanding how users interact with applications, allowing product managers and teams to improve features and user experience based on data-driven insights. Unlike web analytics, which track page views, app analytics focus on user actions or "events," making them more suitable for analyzing apps. Tools like Mixpanel help product teams analyze user engagement, retention, and conversion to optimize app performance and business viability. Mixpanel's global survey highlights that successful product teams use multiple metrics, including retention, engagement, and conversion, to gauge app success, with each app requiring a "north star" metric to guide development decisions. Various companies provide examples of how specific metrics, such as conversion rates and user engagement, can be tailored to their unique contexts, highlighting the need for a customized metrics framework to understand and enhance app performance effectively.