When it comes to planning and taking a vacation, travelers are relying on their smartphones more than ever. Travel apps are not only a source of inspiration but also extremely useful for booking a cheaper flight, making restaurant and accommodation reservations, as well as those that serve as guidebooks and foreign-language dictionaries that fit in your hand. Wherever in the world you’re going to travel, Apps can help you navigate a new city; make currency conversions; pack a perfect suitcase; even provide on-the-ground local expertise. Whatever you need when you hit the road, there’s an app for that. Some of the best travel apps inform you about your destination, with advice, insights, tips, and warnings for how to spend your time. Apps for driving and road trips let you know what to expect along your route, where to buy gas, and which exit to take to find a reliable ATM. Other apps keep your itinerary organized, alert you when you can get a deal on flights, or give you a way to explore your options for where to go next.