The 2013 NCAA Basketball Tournament is almost here. Every year, millions of Americans tune in to watch their favorite underdog compete. Complement your viewing this year with the help of these highly rated basketball apps.Apple appsESPN Bracket Bound 2013 (Free)* This well-designed app makes it easy to follow news and your team. Get video analysis and highlights while on the go. (Mobilewalla Score: 96/100)iBasketball (Free) Warm up for the tournament with this arcade-style street ballgame. Shoot against the clock by moving your phone in a shooting motion. (Score: 87/100)Sporting News NCAA Basketball (Free)* A no-frills, ticker-format news app for the sports news junkie. Get updated stats plus video highlights. (Score: 82/100)NCAA March Madness Live (Free)* Download the official NCAA app for this year's tournament. Upgrade with a $3.99 purchase to watch all 67 games live on your device. (Score: 74/100)PocketBracket ($0.99)* Easily create your bracket with simple touch controls. As the tournament begins, your bracket is automatically updated. (Score: 74/100)Android appsScoreCenter for Android (Free) Get details on everything from scores to stats to bracket predictions. Covers all major U.S. sports, both college and pro levels. (Mobilewalla Score: 99/100)CBS Sports (Free)* Stay up-to-date on all of your bracket picks with live scoring, highlights and analysis. (Score: 97/100)College Basketball Scoreboard (Free)* Get real-time scoring and news from the tournament. Set up live updates and notifications to keep tabs on your favorite team. (Score: 89/100)Bracket (Free) Create your own March Madness brackets that you can share on all major social media platforms. (Score: 83/100)NCAA March Madness Trivia ($1.99) Liven up your March Madness parties with basketball trivia. Contains more than 1,000 college basketball-related questions. (Score: 63/100)An asterisk* denotes availability on Apple and Android.Mobilewalla is a search-and-discovery engine using breakthrough technology to score every app to help consumers navigate the mobile application marketplace. Apps are scored using an algorithm that weighs several characteristics, including user ratings, position within category and staff recommendations. For more app intel, go to www.mobilewalla.com. Anindya Datta is a technologist and founder of Mobilewalla.