In the car, I generally alternate between Google Maps, Apple Maps, TomTom and Navigon. After years of doing this, I've rarely noticed a difference in route acc

In the car, I generally alternate between Google Maps, Apple Maps, TomTom and Navigon. After years of doing this, I've rarely noticed a difference in route accuracy -- in my experience they're equally likely to give a slightly faulty route, and there are better than 50/50 odds that a flaw will be shared across apps. TomTom seems to be the winner with realtime traffic data accuracy, besting Google, and Google beats Apple, although not by much. Google has lead in POI info, but that lead has diminished to the point of irrelevancy in the last year. Apple and Navigon have the best visuals. Google has the most naturally conversational voice guidance. And while those are nice, I still tend to prefer TomTom's accurate traffic data.