Keep it Together: Send your airline, hotel, restaurant, and tour reservations to firstname.lastname@example.org and TripIt will merge them into one itinerary. Love this organization app and it's FREE!
Find it on the Fly: Stop wandering the terminal in search of an ATM or edible meal -- GateGuru pinpoints restaurants, shops, and services in 125 airports for FREE!
Speak Easy: Type or say a word or phrase and iTranslate will convert it into more than 50languages. Such a resourceful way to get around a foreign country without getting frustrating that they (and you) can't understand. Free for text version; $2 for voice recognition.
Get Around: Discover eateries, theaters, and more in 20 metro areas with UpNext 3D Cities. Just tap any building on the map and get details and ratings. Pretty cool and FREE!
Make Change: Wondering how much to leave a waiter in Shanghai or a manicurist in Hawaii? Tipping Tips calculates gratuities in local currency for more than 100 countries. Figuring how the tip is a hassle so for $.99 this is a worthwhile app.