BigScore is a smart scoring system for billiard clubs. The system applies 4 game modes: normal, time, elimination and competition. In each mode, the number of players can be selected depending on the user (2, 3, 4, 5 people). The system is applied to the 9-ball, 10-ball, 15-ball, libre and carom categories. The application has all the features: Add player points, change player names, count time for each round, request time to pause, start when selecting the competition mode, the system calculates and displays the highest score and average score of the player. The application connects to the camera to display videos on the screen, can review videos and download videos to the phone via QR code. In addition, the application also has a match history feature with a list of recently played matches. In this feature, players can review videos and match scores.