Kalkulator dla przedsiębiorcy is a free Android app designed for entrepreneurs and employees to easily calculate the various components of their remuneration. The app is a comprehensive tool that includes a wide range of features useful for businesses and employees alike.

For employees, the app can calculate their salary and advance on the personal income tax of contract work, as well as calculating their salary with all social security contributions and personal income tax advance payment on the contract order and the contract of employment. Additionally, the app provides updated exchange rates for 36 currencies, including the euro, dollar, Swiss franc, and pound.

Entrepreneurs can also benefit from the app, as it can calculate their salary and advance on the personal income tax of contract work, figure their costs in order contract and the contract of employment, and calculate their data for invoice with the amount of net or gross. The app also calculates their salary with regard to their social security contributions and tax deductible in sole proprietorship. Furthermore, the app provides updated exchange rates for 36 currencies and an easy way to count on the amount of one currency for another.