TyreTrader Assistant is an Android-based information application that provides an extensive guide to tires and wheels. Developed by RW Soft, this free app is designed for anyone who wants to learn more about the different types of tires and wheels available in the market.

The app comes with several useful features, including a tire calculator that helps users choose the right tire size when switching to a different diameter. It also allows users to evaluate the differences in the geometric parameters of the wheel during the transition to a different standard size. The app also provides information on the factory size of wheels and tires, as well as alternative sizes for car models. Additionally, it includes a table that decrypts the figures in kg per tire (load) and km/h (allowable speed) and a tire dictionary that helps decipher the writing on the sidewall of the wheel.

Overall, TyreTrader Assistant is an excellent tool for anyone who wants to learn more about tires and wheels. Its user-friendly interface and comprehensive features make it a must-have app for anyone who owns a car or is interested in the automotive industry.