Calculadora 13º Salário is a free Android app developed by Mob Produtos Financeiros. It falls under the Business & Productivity category with a subcategory of Finance. This app is designed to help Brazilian workers calculate their 13th salary, which is a mandatory bonus paid to all employees in Brazil. The app is easy to use and provides a clear understanding of the calculation process.

The app offers a simple interface that allows users to calculate their 13th salary in any month of the year. It provides simulations of how much workers can receive from their 13th salary, clears doubts about the calculation process, and even calculates the monthly value of the 13th salary.