So you're the host with the most, but are you a smart bartender? Mixing drinks is simple with the Perfect Drink scale and app. Compatible with Android and iOS, the scale comes loaded with recipes and walks you through each step for mixing anything from a single glass to a large pitcher of your favorite potent potable. Because the scale is so sensitive, there's no need to measure as you pour. Simply follow the directions on your app to serve up your next cocktail. Available on Amazon; $39.99.