Square Appointments is an online scheduling tool designed for businesses and service providers. It allows users to manage appointments, send reminders, and accept payments all in one platform. This service is particularly useful for salons, spas, and healthcare providers who need to streamline their booking process. The app features a user-friendly interface that enables clients to book appointments easily through a website or mobile app. Additionally, Square Appointments integrates with other Square products, making it convenient for businesses to handle their operations efficiently, from scheduling to payment processing.