FXch is a utility tool designed for oil enthusiasts to efficiently manage oil details. Upon starting the application, users are guided to select the oil category of their interest. Moving through the app, users can choose the specific type of oil and access detailed information regarding its properties. Additionally, users can explore the advantages and disadvantages of various engine oils and save or share this information as needed.

Moreover, FXch offers users the opportunity to test their petroleum knowledge through interactive quizzes. Users are presented with multiple-choice questions and must select the correct answer to earn points. Correct answers are rewarded with +1 point, while incorrect selections result in 0 points and are marked as such.