SquareUsUp was developed by Richard Price, a Los Angeles-area software engineer who plays tennis in a group that was unsatisfied with every expense-sharing solution they found. The apps from the market leaders were overkill, while none of the hundreds of homegrown spreadsheets out there met the group’s criteria for features, flexibility, reliability, scalability, or ease of use.

Richard created his own Excel spreadsheet for the group and then spent years obsessively adding to and refining its capabilities. The result is SquareUsUp. Lucky for you, Richard doesn’t want all the legal and tax headaches that come with marketing a product, so it’s totally free. Instead of paying him, tell him what you think of SquareusUp!