Readily calculate how much have to pay each friend in a lunch, dinner or out for drinks. That is half pay.
It also offers the possibility of calculation purchases:
Are you going to celebrate a meal with friends? One leads drinks, other food, there wearer bread and ice, etc. With this option you get easily calculate the amount to be paid or received each participant.
Do you go out for drinks with friends? I pay in the first bar. Another friend pay at the next bar ... At the end of the night you can adjust as you have to pay or receive each of your friends.
A useful and practical application to share with your friends. Enjoy it! Share it!