Debate BreakRound is the best app on the market for debate statistics (breakdowns). Primarily designed for high school Public Forum Debate (PFD) and Lincoln-Douglas Debate (LD), this app uses basic information about a debate tournament to compute probabilities and outcomes, including the probability of breaking, the required number of wins to break, and the predicted tournament bracket.

Key features:
-Calculate your chances of breaking to elimination rounds/outrounds
-Predict the number of teams with each record that will break
-Power matched debate rounds are fully supported
-Use known results of previous rounds for highly accurate predictions
-Examine probabilities for hypothetical win-loss records

Although this app was designed for debate and forensics, it will work with any Swiss-system tournament.