Citizen Calculator is a free calculator app developed by Continuum App. The app has a beautiful design that mimics a real calculator, including a vibrate-on-touch feature and citizen calculator-like numeric digits and digital fonts. The app has all the basic math operations, including addition, subtraction, multiplication, division, and percentages. Citizen Calculator also has additional business and financial features like M+, M-, MR, MU, GT, and SQRT to perform day-to-day business calculations easily.

Citizen Calculator has extra features like GST or TAX Calculator, Loan Emi Calculator, Unit Converter, Currency Converter, and Age Calculator. The app has multiple calculator themes to choose from. The app is compatible with Android 9.0 or higher and has a user-friendly interface with large buttons. The app also has a clear button to clear the display area and a backspace button to delete the last digit to correct a mistake. The app displays operators' symbols during calculation and has a beautiful sound and vibration.