1. Frommer’s Travel Tools for iPhone
Currency converter, packing list, time translator, unit converter (Celsius to Fahrenheit, for example) city guides, tip calculator, even a travel trivia game for those long flights
2. TripIt Travel Organizer for iPhone
Forward your travel confirmation e-mails to [email protected] to build a trip itinerary.
3. Skype for iPhone/BlackBerry/Android
Don’t worry about cell phone cov