1. Google Maps. The best mobile app features GPS navigation and directions by car, public transit, or walking. Google maps tells you the nearest locations of what you are searching for and how to get there. I got around Boston just fine with my phone and no map. Available on any smartphone and m.google.com/maps
2. Yelp. Looking for places to eat? Yelp offers user reviews and recommendations of top restaurants, shopping, nightlight, and entertainment in all major cities. Available on iPhone, Blackberry, Android, Palm Pre, and m.yelp.com
3. TripCase. Travel management apps are becoming popular to frequent flyers tracking air, hotel, and car confirmations. TripCase gives you updated flight status, gate changes, and alternate flights if delayed or you miss your flight. Available on iPhone, Blackberry, Windows Mobile, and Android
4. WeatherBug. Knowing the weather is important wherever you are, day and night. WeatherBug provides a solid mobile app featuring 7-day and hourly forecasts. Available on any smartphone and m.weatherbug.com
5. Airport Maps Mobile. Before you get on the plane or while you are still in the air, you can find your connecting gate. Airport Maps gives you what you need to quickly find how far your gate is, a place to eat, and your favority airline lounge. Available on iPhone and Android.
