The most popular, free tip calculator available in the App Store! QuickTip™ provides a fast and convenient way to calculate the gratuity for any bill. Using large text and simple controls, QuickTip is an easy and fun way to figure out tips. An intuitive slider allows you to quickly adjust the tip percentage while seeing the tip and total amounts update in real-time. If you prefer to use buttons, you can set your most frequent tip percentages in QuickTip's settings for easy access.