From Facebook to Instagram, SnapChat and more, your smartphone will be attached to you closer than an ID at a hotel pool party. Between the usual social media apps, make sure to keep room for additional apps that will make your trip go from great to legendary. These apps will help you score free comps, split cash with friends, find deals, and always have free WiFi at your fingertips! Here are the six best apps you absolutely need for your next Vegas trip. Keep Reading: These six personal item bags help you avoid paying for carry-on and checked luggage for your Vegas flight! Created by MGM Grand Resorts, MyVegas is a pair of apps for Facebook, iPhone, and Android where you can play blackjack or slot machines with free virtual cash to earn real-life rewards.