Airfordable - Payment plans for flights before your departure.
Detour - Immersive audio walks, now in 17 cities
Stride Travel - Search and reviews for tours & adventure packages
Sygic Travel Maps - Itinerary planner for independent travelers
Flymble LIVE - Book a flight for 1/10 of the cost upfront.
Foursquare 10 - Your ultimate city guide, in your pocket