Track Ninja is a free Android application designed for grassroots racing enthusiasts, offering an extensive suite of tools to enhance on-track performance. The app allows users to input and analyze various metrics related to their vehicles, including setup numbers, aftermarket modifications, and tire data. With its Data Garage feature, drivers can efficiently organize their vehicle information and track performance across multiple sessions. The integration of a GPS Lap Timer enables users to record on-board video and lap times, facilitating detailed analysis of performance improvements after each track day or race weekend.

The application also offers a variety of features tailored to improve user experience, such as a comprehensive tire inventory tracker, fuel calculator, and customizable checklists for race day preparation. Users can save multiple vehicle profiles, allowing for seamless switching between cars while maintaining clear data organization. Additionally, the leaderboard feature provides insight into how drivers compare against others at the same tracks, fostering a competitive spirit. Overall, Track Ninja serves as a valuable tool for drivers seeking to optimize their racing performance through data-driven insights.