Foursquare City Guide - Foursquare City Guide is a Free to use mobile application that will lead you to the perfect spot anytime anywhere around the world.
Detour - Immersive audio walks, now in 17 cities
Journy - Tastemaker-driven concierge to plan your perfect trip
Sygic Travel Maps - Itinerary planner for independent travelers
Flamyngo - Create a city guide with help of your friends.
Foursquare 10 - Your ultimate city guide, in your pocket