Keyfacil is a free Android application developed by Vitekey Software that offers an easy and efficient way to manage electronic invoicing for your business. This app is designed to make the invoicing process smoother and more efficient. With Keyfacil, you can manage multiple companies, branches, products, services, inventory, purchasing, customers, and users all in one place.

The app provides a user-friendly interface that simplifies the invoicing process, making it easy to create, send, and receive electronic invoices. The multi-company and multi-branch features allow you to manage all your businesses from one place. The product and service management feature enables you to keep track of all your products and services. The inventory management feature helps you manage your inventory levels, while the purchasing management feature helps you manage your purchases. The customer management feature allows you to keep track of all your customers, while the user management feature enables you to manage your employees.

Overall, Keyfacil is a great app for businesses looking to manage their electronic invoicing with ease. It is a comprehensive and efficient solution that simplifies the invoicing process and helps you manage all aspects of your business.