Shon J.

Projects For fun

Settled

A personal finance app that doubles as a shared ledger for two.

Role
Designed and built with AI, solo
Years
2026
Status
Live
Platform
Web, with a phone app to be rebuilt

Every figure traces back to its rows, on your own or shared.

Same rows, two readings

Personal: what I am on the hook for
Team: what the two of us spent
Ask in plain language, see the query it ran

From expense to settled

Every screen tells you which reading you're looking at.

Amount first, then category and split
Unequal shares that always sum to the bill
The ledger, read as mine
The same rows, read as ours
One balance, derived line by line

The problem

Personal trackers stop at the front door. Shared ledgers tell you who owes whom but nothing about your own month, and they show a balance without showing how they got there.

  1. Before: Personal trackers go silent once money is shared

    After: One set of rows, read as mine or as ours

  2. Before: Shared apps show a balance nobody can interrogate

    After: The balance is derived line by line, every row drillable

  3. Before: Rounded splits drift a paisa away from the bill

    After: Shares are whole paise and always sum to the bill

Decisions

  1. Decision 1

    The reading travels with you

    A drill-down keeps Personal or Team from the dashboard you came from. It isn't a toggle.

    Considered A scope switch on every screen

  2. Decision 2

    One balance, one place to settle

    There is exactly one balance and one place to clear it, worked out in the open and never stored.

  3. Decision 3

    No brand hue

    The accent is the text colour. Colour shows up only for balance direction, budget state, urgency and destructive actions.

    Budget pace, in monochrome

Screens

Getting money in

Imported rows wait for a human to confirm

Understanding the month

Recurring spend, with a detected proposal
The month, written up
A trip and its daily burn

Compact breakpoint

The same ledger at the compact breakpoint

How it was made

I designed and built it with AI. Every money rule lives in one shared package, and AI helps in eight places without ever writing a transaction on its own: a human tap confirms each one.

  1. 1

    Designed

    I designed light and dark as equals, on a 4px grid, with tokens generated rather than hand-edited.

  2. 2

    Built with AI

    I built it with Claude Code. One shared package holds the money rules, so web and API can't drift.

  3. 3

    Shipped

    It's live on the web, and the build stops any drift in tokens, hover or motion.

Made with: Cloudflare Workers, D1, R2 and KV, React and Vite; Claude for statement reading, suggestions and Ask.

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