Booker is a popular online platform that allows users to manage appointments and bookings for various services. It is commonly used by businesses in the beauty, wellness, and fitness industries to streamline scheduling and improve customer experience. Users can easily set up their profiles, manage their calendars, and send reminders to clients. The platform offers features such as online payments, customer management, and marketing tools. By using Booker, businesses can save time and reduce no-shows, ultimately enhancing their operational efficiency. It is designed to be user-friendly, making it accessible for both service providers and their clients.