To anyone who doesn't believe you and thinks they might actually he able to get better rates through an app like that...

You know how health insurance companies charge hefty premiums with ridiculously high copays, but you figure "If I really need something covered, though, they'll pay it and I won't go bankrupt", but yet they still find a way to have so few scruples that they'll fight you on the services you have them billed for because they are a corporation beholden to shareholders and will do everything in their power to hang onto every single dollar possible?

Your car insurance is provided by a corporation.