Differentiate or Integrate is a free Android app developed by Rajat Pawar that offers a comprehensive suite of mathematical tools for solving and graphing differential equations, differentiating and integrating functions, and plotting graphs. It features a simple, intuitive user interface that allows users to easily input and solve mathematical problems. With this app, users can solve differential equations and plot graphs of their choice. The app only requires Internet access permission.

The app offers a wide range of functions, including trigonometric, polynomial, logarithmic, and a combination of these functions. It also allows users to view the raw data of every computation, making it an ideal tool for students and professionals alike. In addition, the pinch-to-zoom feature enables users to analyze their solutions more effectively. The app uses multicolored graph plots, making it easy to compare the solutions of differential equations.