Add shared expenses
Record household costs and split them between roommates.
4u Digital
Web application
Track roommate expenses and see who needs to pay whom.
Selected personal project
Video consultation · Opens BriefBooth in a new tab. Requests are reviewed before confirmation.

Repository product artwork · Expense entry, household balances, and settlement overview.
An installable expense app for roommates to split costs, track balances, and plan settlement payments—even offline.
Made for Roommates sharing household costs
Record household costs and split them between roommates.
See each roommate’s balance after shared expenses are added.
Review suggested payments to settle household balances.
Every original view, in full color. Open any image at full size.

Repository app capture · Household admin balances with sample expenses.

Repository app capture · Suggested settlement plan and payment-link controls with sample balances.

Repository app capture · Sample pizza expense split equally between four roommates.

Repository app capture · Sample expense history with search, filters, and export controls.

Repository app capture · Household admin statistics with sample spending totals.

Repository product artwork · Expense entry, balance review, and settlement workflow.

Repository product artwork · Searchable expense history and household admin statistics.
A small team could record shared purchases and keep track of who owes what.
Keep expense records available offline and review a suggested repayment plan.
Work directly with the developer, from the first idea to launch. Your custom code is 100% yours. Client work and code stay out of this public portfolio unless you give permission.
Keep household expenses, unequal splits, and outstanding balances understandable across several roommates and devices.
A Next.js PWA with local Dexie storage, a sync queue, PostgreSQL, balance calculations, and settlement suggestions with payment links.
The banner, features, and workflow graphics are promotional artwork from the public repository. The five app captures show a sample household; balances and statistics depict an admin view. No money was transferred during this portfolio update.