QuickSub is a dedicated application designed to streamline game management for youth soccer and flag football. It automates substitutions to ensure equal playtime for all players, handles clock management, tracks essential game statistics, and manages player positions. The app requires no sign-up for basic use, allowing coaches and managers to start a game quickly. Key features include real-time playtime tracking, game clock, substitution indicators, and stat recording. Pro features offer live game sharing with parents, roster saving, game history, and advanced position management. QuickSub aims to simplify coaching responsibilities and enhance the game experience for players and parents alike.