Based on the users' reviews of the app, here are the three cons and pros: Cons: * Limited scope: "Too narrow in scope, can't use it for other vehicles" (User 1) * Inaccurate calculations: "Calculations didn't match real-life tests" (User 3) * Poor customer support: "No response to my requests for help" (User 5) Pros: * Easy to use: "Simple and intuitive, easy to learn" (User 2) * Accurate data: "Data matches real-life tests, trustable" (User 8) * Wide range of vehicles: " Covers many vehicles, including rare ones" (User 4)