Personal finance · Studio project · 2026

Fin de mes

The finance manager that speaks Argentine.

Finance apps were designed for countries where the card closes on the same day every month and the bank reports each purchase on its own. None of that happens here, and budgeting is not something you set once: you do it again every month. Fin de mes takes Argentine rules as the starting point — card cycles that shift, installments, two currencies, inflation — and turns them into a household budgeting system where what's shared is shared and what's personal stays personal.

Client
In-house project
Industry
Personal finance
Deliverables
Installable webapp · Household budgeting system · iOS app
Year
2026
See it live↗

The webapp is in production and in real use. The iOS version has been submitted for App Store review; once it is published, this case will add the link.

Fin de mes budget screen in dark mode, with the month's available balance and the housing and food categories.

The month's budget

Allocated, spent, and available per category, with a projected close. Each category's color comes from how the month is trending.
Quick expense entry screen with a custom numeric keypad and installment selector.

Logging an expense

A single screen and a custom keypad: from open to saved in under ten seconds.
Summary screen with the month's available balance and alerts for cards about to close.

The day's summary

How much of the month is left and what needs attention: card closings, due dates, and pending items.
Card screen with a cycle timeline, estimated dates, and an itemized projected statement.

The card cycle, Argentine style

Each month's own closing and due dates, estimated dates distinguished from confirmed ones, and the projected statement before closing — installments and taxes included.
Active installments screen with the monthly committed amount and bars for the next twelve months.

Active installments

How much of next month's salary is already committed, and when you're free.
Net worth screen with the household total in pesos and dollars and the list of holdings.

Net worth in two currencies

Everything you have, in pesos and in dollars, with your chosen exchange rate always in view.
Monthly budget setup screen with a general inflation adjustment and per-category differences.

The new month, in five minutes

Each month's budget starts from the previous one with an editable inflation adjustment. In Argentina, the tool has to assume it.
Household screen with members, roles, and a pending invitation.

The household

Members with roles, email invitations, and one rule: what's personal is invisible to everyone else.
Transactions screen grouped by day with the inbox on top.

Transactions and inbox

Log first, sort later: pending items wait in an inbox you clear in one go.
Next project →AURE