Interest Calc is a free Android app developed by Ruhi DataLab that enables users to calculate both simple and compound interest on a monthly rate basis. This app is a must-have for anyone who wants to calculate the interest of their savings or loans quickly and easily.

The app's user interface is simple and easy to navigate. The user can input the principal amount, rate of interest, and the duration of the loan or investment. Interest Calc then calculates the total interest amount payable and displays it on the screen. The app also provides a breakdown of the calculation, so users can understand how the interest was calculated.

It is important to note that the app does not claim reliability of results as it depends on several factors that can affect the result. However, Ruhi DataLab is committed to providing a better user experience to its users. Overall, Interest Calc is a reliable and useful app for anyone who needs to calculate interest quickly and accurately.