Waze - Provides user submitted traffic report to offer the fastest route for current road conditions.
FourSquare - Turn on this app upon arrival and see a list of tips from those who have been there before you.
RoadAhead - Find the best exit ahead on the highway to meet your travel needs.
Lemon Wallet - Allows user to store a digital copy of all cards – ID, insurance, loyalty, and payment card, so that they can be accessed whenever needed.
iMuseum - A web tracker that searches via GPS the closest museums in your immediate area. Updates museum news and exhibition info regularly.
iMovie - Provides best option to shoot and send videos back home. Soundtracks and shot transitions can be dragged and dropped to create movie postcards.
EveryTrail - Track, share and explore.  Plot your trip, photos, and video right on the map and upload it to EveryTrail, Facebook, and Twitter.
MoneyPass - Access locations of over 20,000 surcharge free ATMs either by entering an address, a zip code, or using your current location. 
Tripit - Combine all your travel reservations in a single locations.
Knapsack - Plan your trip and later share memories.
JetLag Genie - Gradually alter your sleep habits before a trip to better deal with jet lag.
mTrip - Provides travel guides around the world, offline maps & navigations, personalized itineraries of visits, and trip journal and sharing.
Zagat - A guide to discovering the best restaurants, bars, cafes and clubs.  Started with nine cities (Austin, Boston, Chicago, London, Los Angeles, New York, Philadelphia, San Francisco, Washington DC) with more on the way.
XE Currency - Quotes live currency rates.
FlightTrack - Follow international flights with detailed information on departure gates, delays, and cancellations.