Omi makes it easy to split bills with friends and keep a running balance. Omi answers the question "Who should pay next time?"

Cuanti is described as 'The simplest way to manage your finances while traveling' and is a Budget Manager in the business & commerce category. There are more than 50 alternatives to Cuanti for a variety of platforms, including Web-based, iPhone, Android, Android Tablet and iPad apps. The best Cuanti alternative is Spliit, which is both free and Open Source. Other great apps like Cuanti are Splitwise, Venmo, Splitser and SplitBills.
Omi makes it easy to split bills with friends and keep a running balance. Omi answers the question "Who should pay next time?"

I.O.U Mate is a free online tool that lets you track your debts (dinner splits, loaned books etc) with your friends and family. You can choose to track your debts privately or invite your friends to view and update your shared debts via a simple interface.