PerfDog is a comprehensive performance testing and analysis tool designed to help developers and QA engineers monitor, analyze, and optimize application performance across tools with real-time data monitoring, in-depth diagnostics, and network performance assessment features. It supports plug-and-play performance testing without requiring ROOT or jailbreak on devices and delivers multi-dimensional performance indicators such as CPU and memory usage, battery and thermal metrics, graphics rendering metrics like FPS and GPU utilization, user experience metrics like app launch time and responsiveness, and network performance metrics including latency and packet loss. PerfDog provides robust data monitoring, crash log analysis, quick bottleneck identification, intuitive graphical reports, and detailed performance diagnostics that help pinpoint issues for optimization. It offers full-platform support for Android, iOS, Windows, and macOS.