mTrip - Provides travel guides around the world, offline maps & navigations, personalized itineraries of visits, and trip journal and sharing.
Schemer - Users leave recommendations for things to do in their city and visitors can add to a to do list and check off as they go.
The Weather Channel - View current weather, hourly, 36 hour and 10 days forecasts.  Will forecast weather throughout the United States.
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.
JetLag Genie - Gradually alter your sleep habits before a trip to better deal with jet lag.
World Clock - Time Zones - provides easy access to the time in hundreds of cities and adding several clock as home screen widgets.
Google Goggles - Search by taking a picture. Users can point their cell phone cameras at paintings, famous landmarks, barcodes or QR products, or popular images. If Goggle finds it in its database, useful information will be returned.
MoneyPass - Access locations of over 20,000 surcharge free ATMs either by entering an address, a zip code, or using your current location. 
Air Sharing - Turns your iPhone into a wireless hard drive, allowing the user to quickly load documents at the airport that can be viewed in flight.
Evernote - Take notes, capture photos, create to do lists, record voice reminders, and make these notes completely searchable. Users can combine and share travel notes.
Opentable - Reserve tables and earn rewards at over 20,000 U.S. restaurants.
HearPlanet - The world’s largest audio guide pulls information from Wikipedia and its own database. Similar to audio guides handed out at museums.
Tripit - Combine all your travel reservations in a single locations.
Touchnote - Send real postcards using cell photos.
Hailo - Uses cell phone’s GPS to make cabs come to the user.   Available in six US cities/15 worldwide.