Square built a suite of integrated tools to help service businesses save time so they can focus on growing revenue and delivering exceptional service to their clients. Square Appointments works for any business that needs appointment scheduling capabilities and a point-of-sale system. Use Square Invoices a free, all-in-one invoicing solution that helps businesses request, track, and manage their invoices, estimates, and payments in one place to get paid faster. And Square Messages is a platform designed to keep your client communication (texts, emails, receipts, invoices, feedback, checkout links, contracts, and more) in one place; you can send and receive texts online, and your clients experience more immediate customer service.