Activo Own ProductAndroidFintech 2026

Full Stack

Quadra

An Android personal finance app for Panama and Latin America: track expenses, income, budgets, goals, debts, and recurring transactions, keep working offline, and speed up capture with OCR, Panama DGI tax QR scanning, and Quadra AI.

Case

Quadra

Product design, technical architecture, mobile development, backend, data modeling, synchronization, OCR/AI integration, and commercial release planning.

Case notes

Quadra starts from a simple premise: managing personal finances should not feel like an accounting chore or depend on always having an internet connection. The app is built for people in Panama and Latin America who want to understand their money without complicated spreadsheets.

The product organizes accounts, expenses, income, budgets, goals, loans, debts, and recurring transactions. The core experience lives on the phone first, so users can keep logging and reviewing information offline. Features that depend on external services, such as sync, OCR, AI, ads, and purchases, are activated only when needed.

Assisted capture is a central part of the product: Quadra can help record receipts with OCR, read Panama DGI tax QR codes when applicable, and use Quadra AI to summarize patterns or answer informational questions about the user’s financial context. The app does not replace financial, tax, accounting, or legal advice; it provides better tools for understanding the information.

On the technical side, local state lives in SQLite via Drift, the UI is built with Flutter and Riverpod, and the FastAPI backend handles authentication, synchronization, and commercial features. The public site at quadrafinanzas.app communicates Android availability, privacy, terms, data deletion, and the Google Play-managed Pro model.

The repository is private. The project is active, commercially oriented, and has a public page available for users.

Key highlights

  • Expense, income, transfer, account, category, note, and history tracking with a local database that keeps working offline.
  • Modules for budgets, goals, loans, debts, recurring transactions, reports, and personal financial planning.
  • Assisted capture with OCR, Panama DGI tax QR reading, and Quadra AI for summaries and informational answers based on the user's financial context.
  • Freemium commercial model with a Google Play-managed Pro plan, cloud sync, unlimited OCR, and an ad-free experience.

Stack

    Flutter FastAPI Python PostgreSQL Firebase Auth SQLite / Drift Riverpod Docker