The CARFAX mobile application serves as a comprehensive vehicle marketplace that integrates the company's signature vehicle history reports with new and used car listings. This iOS application positions itself as a one-stop solution for automotive research and purchasing, leveraging CARFAX's established reputation in vehicle history reporting to provide consumers with greater transparency during the car buying process. The application's core functionality centers around its integrated vehicle history reports, which accompany every used car listing without additional cost. Users can access detailed vehicle records including accident history, service records, ownership changes, and title status. The platform's valuation algorithm calculates vehicle prices based on historical data and market conditions, providing shoppers with data-driven pricing insights. Advanced filtering options allow users to narrow searches by make, model, price range, mileage, and specific features, while the comparison tool enables side-by-side evaluation of multiple vehicles. User experience demonstrates thoughtful design with intuitive navigation and clean interface organization. The application maintains a professional aesthetic while prioritizing functionality, with quick-loading vehicle images and easily accessible critical information. Real-world usage patterns show consumers primarily utilizing the app for vehicle research, price monitoring through favorite alerts, and dealership location services. The price drop notification system proves particularly valuable for budget-conscious shoppers tracking specific models. User feedback trends consistently highlight the application's comprehensive vehicle selection and detailed reporting capabilities. Reviewer Rixxxster noted on July 1, 2025 that the application proved 'indispensable for locating cars' when searching for specific trim packages within geographic constraints. Multiple reviews, including from cb 59 on June 30, 2025, emphasize the platform's extensive inventory selection compared to competing services. The application maintains a 4.85/5 rating based on current user evaluations. The application's primary strength lies in its integration of vehicle history data with marketplace functionality, though limitations include regional inventory variations and dependence on dealer participation. The platform serves most effectively as a research tool for serious vehicle shoppers who prioritize historical transparency over immediate purchasing convenience. While the application excels in providing comprehensive vehicle information, users may still need to complete final transactions through traditional dealership channels.