GearStrengthLeader is a comprehensive engineering calculator app designed for mechanical engineers and gear designers. The app features a sophisticated gear tooth strength calculator that estimates maximum safe loads based on pitch, face width, tensile strength, and RPM parameters. It includes an extensive material library with detailed properties for steel, bronze, and plastic gear materials, complete with search and favorites functionality. The app also provides a versatile weight converter supporting multiple units from pounds to metric tons. With its modern gradient UI design and intuitive interface, GearStrengthLeader serves as an essential tool for professionals working with gear systems, offering both calculation capabilities and material reference data in a single, streamlined application.