NIS (New Invoicing System) is an Android app developed by Elegant Systems Pvt Ltd, designed to help businesses manage their income, expenses, and payment. This free app provides real-time control over your finances and can even help you plan and manage quotes and proposals, including vendor management.

In addition to financial management, NIS also includes task and project management features to ensure that your project delivery is always on track. With NIS, you can stay on top of your business and ensure that your revenue does not get impacted. The app is easy to use and navigate, making it a great choice for small business owners looking to streamline their financial and project management processes.