This document discusses a customer retention app called Business Booster that helps gym owners retain members. It provides automated features like payment reminders, communication with members, and reporting. Business Booster stores member data and sends reminders for fees, discussions, and birthdays/anniversaries. It also offers photo analysis, diet tracking, employee management, and feedback to owners. For a one-time investment of 18,000 rupees, gyms can gain customer relationship management through automated messaging and graphical reports. The app aims to address reasons for member loss like inconsistent coaching and lack of communication through its features.