Payroll Guru is a comprehensive application designed for iPhone users to simplify paycheck calculations. This productivity tool allows users to calculate net pay and applicable taxes from gross wages, accommodating both salary and hourly wage calculations. Users simply input the gross pay for salary calculations or the hourly rate and hours worked for hourly calculations, with the app automatically handling the rest. The addition of unlimited employee profiles ensures that employers can manage multiple employees easily, recording important details like state, marital status, and deductions.

The app supports up to eight customizable pre-tax and post-tax deductions, allowing for flexibility in payroll management. It accurately calculates various taxes, including federal withholding, Social Security, and state-specific taxes across all 50 states and the District of Columbia. With features like pie chart visualizations of paycheck distribution and the ability to email paycheck details, Payroll Guru is an essential tool for self-employed individuals, employers, and employees looking to enhance their financial planning.