CITIZEN GST CALCULATOR is a free iPhone application developed to provide users with functions similar to those found in a CITIZEN and GST CALCULATOR, including calculations based on the new GST tax rates in India. This app offers a comprehensive set of features akin to a CITIZEN CALCULATOR, tailored for regular use in business and financial calculations. With functions like GT, GT, M+, M-, MR, and MU (Mark Up), it serves as a versatile tool for various needs.

The app offers two layouts with larger buttons for ease of use, along with convenient features like Check and Correct buttons. Users can effortlessly add or subtract GST or tax percentages such as +5%, +12%, +18%, +28%, and more, making it a handy tool for quick and accurate calculations.