The FD Calculator app is a tool designed to help users calculate the interest earned on fixed deposits. It is a simple and convenient way to calculate the interest on investments in fixed deposits.

The app provides a user-friendly interface where users can input the principal amount, interest rate, and tenure of the fixed deposit. The app will then calculate the interest earned on the deposit based on the input values. Users can also enter the frequency of interest payout, such as monthly, quarterly, or annually, and the app will calculate the total interest earned accordingly.

It is a useful tool for anyone who wants to calculate the interest earned on their fixed deposits and compare different investment options.