Price: 99 centsForget that Fan in the title. Remember Moneyball, Billy Beane and the Sabermetric/stat-driven approach to improving the game? That's the kind of fan you need to be to get a complete grasp of what FanGraphs Baseball can do. The app has live box scores each game, lifetime stats for every player from 1974 to present and real-time win probability graphs based on in-game action. The minor league stats and salary data are neat throw-ins, but the inclusion of baseball stat godfather Bill James' 2013 Handbook Projections make this the holy grail of OPS, WAR, UZR, WHIP and all of those other stat-sheet acronyms changing the game. -- Written by Jason Notte in Boston. >To contact the writer of this article, click here: Jason Notte. >To follow the writer on Twitter, go to http://twitter.com/notteham. >To submit a news tip, send an email to: email@example.com.