So it's your birthday, and everyone wants to split the food bill at dinner. No more paying the other guys share, when you only have a cheeseburger, and they have steak and wine. Use the handy Billr app for your iPhone to easily figure your share of tax, tip and food consumed. Billr handles meal calculation for up to 15 of your friends in just a matter of minutes, and sends them a SMS or email receipt for their records.