Google Maps is still the gold standard for smartphone mapping apps, according to NY Times columnist Molly Woods, who recently compared three smartphone mapping applications – Google Maps (iOS, Android), Apple Maps (iOS), and Here (WinPhone, Nokia). Apple Maps has made progress since its failed 2012 debut, but, according to Woods, Google Maps is still the winner. All of these provide some version of turn-by-turn directions, voice integration, flyover and vector-based maps; given that they are all free, I’d suggest you try out whichever one is available for your smartphone to see which is best for you. My choice is None of the Above: I’ve used Scout, (free, iOS) for the past two years because I like its interface and its ability to share my ETA along with a link to a map of my current location. And, if you subscribe, you can download the OpenStreetMaps region of your choice and use Scout off-line – a real plus if you are out of cell range or during disaster responses.