The 간단 세금 계산기: 급여세금 및 4대보험 부가세 is a free Android app developed by Neofree Games. It falls under the category of Utilities & Tools and allows users to calculate taxes and insurance related to salaries and VAT. With the app, users can easily calculate their taxes and insurance and save the results for future reference.

The app features two main calculators - one for VAT and another for salaries. For VAT, it offers calculations for both general and simple taxation systems, including the mandatory purchase calculation for restaurant businesses. For salaries, it offers calculations for regular salaries, part-time work, daily wages, and freelancers. Users can calculate monthly, daily, and hourly wages and also add holiday pay. It also includes calculations for income tax, local tax, national pension, health insurance, long-term care insurance, and employment insurance. However, the developer's contact information is not provided.