Hello, I have read your requirements to Convert Website into the iOS native App, integrate the social network login, review, rating, create profile for car project,..., I am looking forward to discuss with you to know more about your project, and we could start asap, we have creative designer will design the modern App for you, we are very confident public your App as your expected, we will support maintenance one year free to fix bugs, upgrade, upload on itunes, I am looking forward to hear from you. Regards Danny.