You won’t find another tip calculator with this many features, looks this good, and is as simple and intuitive as Tip Me! Oh, and did I mention, it’s ad free and requires no permissions!Features:-Calculates in real time-Shake device to reset (turn on/off via menu)-Split bill between any # of people and separately adjust each individual’s amount.-coupon feature to determine tip on original amount.-Specify your own custom tip percent(set default in menu)-Rounding options (up/down/auto)-Calculate pre and post tax-move to SD-Customize the look by choosing from three available fonts