Personal project
Koino app icon

Koino

Live

Every payday, accounted for.

Opening frame of the Koino video: “Every payday, accounted for.” beside a sample cutoff card
Koino, the 40-second tour Signing in, the ledgers, a new ledger for the next cutoff with the surplus carried over, an expense added, where the money went, and the year in Insights.
What’s on screen
  1. Personal finance ledger. Every payday, accounted for.
  2. Pick up where the month left off.
  3. Ledgers · All ledgers
  4. New ledger: pick the month and the cutoff, carry over the surplus.
  5. New expense: Electricity, under Utilities.
  6. November 2026: where the money went.
  7. Insights: your money across 2026.
  8. Koino. One ledger per payday cutoff. Every payday, accounted for.

A personal finance ledger built around payday cutoffs. Keep one ledger per cutoff, log income, bills and savings, and see the month in one view. Sign in with Google or GitHub.

the kind of thing a Custom Build buys
Open Koino ↗real, live, clickable ←

What it does

  • One ledger per cutoffGenerate the first or second cutoff of any month. Recurring items from your defaults are already in it.
  • Income, bills, savingsThree kinds on one screen. Mark each item cleared, pending or scheduled.
  • The month in one viewNet balance and where the money went per cutoff, then totals, categories and trends across the year.

Built with

  • Next.js
  • TypeScript
  • Tailwind CSS
  • Hasura GraphQL
  • Postgres
  • NextAuth

More screens

  • Koino's Insights screen: a year's income, expenses, net balance and savings, with income by source and the top expense categories
    Insights: the year’s totals, income by source and the top expense categories.
  • Koino's Ledgers screen: the current cutoff's balance and safe-to-spend amount beside a list of recent ledgers
    Ledgers: the current cutoff and what is safe to spend, beside the recent ones.
  • A Koino ledger for one cutoff: income, bills and expenses, and savings, each item marked cleared or pending
    One ledger: income, bills and savings, each item cleared, pending or scheduled.
  • Koino's Settings screen: recurring items for the first and second cutoff
    Settings: the recurring items that seed every new ledger.
  • Koino's landing page: the headline “Every payday, accounted for.” beside a sample cutoff card
    The landing page, with a sample cutoff.