Discount Stack

30% off followed by another 20% off is not 50% off. Discount Stack calculates two successive percentage discounts on the remaining price, then adds optional tax to show an estimated amount to pay. Save calculations with a name. Search your history, reopen an earlier calculation, adjust the values and calculate again. Change the app language, numeral style and currency independently. Changing currency does not convert exchange rates. No account needed. Saved calculations stay on your device.