Mobile app performance metrics are critical for ensuring an app’s success by optimizing user experience, which encompasses factors like launch speeds, response times, stability rates, and UI responsiveness. Key Performance Indicators (KPIs) and benchmarks, such as the Application Performance Index (Apdex), 95th percentile metrics, throughput, app stability, app loading times, network response times, app trace completion time, and UI response times, are essential for measuring and improving app performance. Tools like Luciq's Application Performance Monitoring (APM) system offer functionalities for tracking these metrics, helping developers monitor performance in real-time and proactively manage quality. This approach includes setting quality thresholds, receiving alerts for issues, and collecting user feedback through surveys and session replays to enhance app stability and responsiveness. Combining such tools with crash and bug reporting can provide a comprehensive view of the app’s performance and user experience, ensuring it meets high standards and remains competitive in the market.