This app can be used to calculate the score of a bridge contract. It also displays the breakdown, e.g. the trick score, game or slam bonus, insult bonus, etc. The app also contains a complete description of the rules of scoring in a bridge game (tables, examples, etc.). The app also maintains a database of sessions played by a group of players as well as the percentage scores obtained by each player in these sessions. The players are also ranked according to their past performance over time.