lendhelper: track shared costs

straightforward way to track and organize loans/debts/IOUs between two people.

lendhelper is useful when you share costs with another person, for example housemates who split rent and bills.

features:
- see who owes who
- easy to use
- record debts quickly
- settle up whenever
- categorize debts
- currency exchange with live rates
- support for >150 currencies
- free forever
- share with the other person
- no confusing group options