楽天Car is a free iPhone app that allows users to earn Rakuten points while driving. The app tracks driving distance and rewards users with points for driving over 2km. Additionally, users can earn bonus points for consecutive weeks of driving, up to a maximum of 5 weeks.

The app also includes a gas station search feature, where users can search for gas stations that offer Rakuten point rewards for using the Rakuten Card or Rakuten Point Card. The gas station search feature includes filtering options by brand, location, and other criteria.

Other features of the app include a check-in feature that rewards users with points for checking in at participating gas stations, a restaurant search feature that displays restaurants where users can earn Rakuten points and park for free, a fuel efficiency tracker, and a car appraisal feature.

Please note that the app requires an internet connection and access to location data to function properly. Users must also agree to push notifications to receive updates and promotional offers.