This is a simple and very useful gratuity calculator app that lets you calculate your Gratuity balance accumulated.

All you have to do is fill up few fields in the app as follows:
Current Basic Salary: Enter your current monthly basic salary drawn
Dearance Allowance : Enter DA (enter 0 if DA is not applicable)
Enter your tenure : Suppose your tenure is 7 years and 8 months, then enter 7 in years field and 8 in months field.

There you go!!
once all the details are filled, click on CALCULATE GRATUITY to know the GRATUITY BALANCE ACCUMULATED.