O Trabalhador is the official application of the O Trabalhador Portal. It offers a variety of features including news, guides, tools, job vacancies, and contests. The app covers topics such as news on INSS services, FGTS, Bolsa Família, PIS PASEP, Vale Gás, MEI, unemployment benefits, Income Tax, Cadastro Único, job opportunities, public job contest news, and other social rights and benefits.

Additionally, the app provides useful tools and calculators such as Vacation Calculation, 13th Salary Calculation, Night Shift and Hazardous Work Allowance Calculator, Resignation Calculation, FGTS Verification, Social Security / INSS Contribution Calculator, Unemployment Benefits Calculator, and Overtime Calculator.