Notes on money between friends

Product updates and the occasional opinion about splitting bills.

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Featured · Product

Why we simplify debts by default

Five people, eleven debts, one afternoon of confusion. Here's the arithmetic that turns it into four payments.

20 Aug 2026 · 6 min read

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  3. Splitting with people who hate appsThe no-app member, and why every group has one.14 Jul · 5 min
  4. The receipt is the interfaceOn-device text recognition, itemized splits, and proportional tax.2 Jul · 6 min