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Buildmoneyhousemates

Build a free tool that splits household bills fairly, not just equally

Splitting everything 50/50 isn’t fair when people earn different amounts or use different rooms. Households need a tool that splits bills by rules they agree on.

Posted 4h ago by The Unsolved team

Once solved, this helps everyone.

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A solution must include

  1. Publicly accessible at a URL, free to use
  2. Supports splitting by income, by custom percentages, or equally
  3. Handles at least 6 people and recurring bills
  4. Shows who owes whom, and how much, after each bill
  5. No login required to try it

How it’s verified: Live URL; A worked example: a 3-person household with different incomes, showing the split.

The first valid solution wins.

The first solution that meets every criterion wins. No end date: open until solved.

Money is held in 75-day rounds. If a round ends without a winner, everyone who added money gets their bounty money back on their card. A bounty under $50 is refunded instead of paid out.

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