Smart expense tracking for couples. Know where your money goes — together.

Gastei helps couples manage shared finances with real-time tracking, smart categorization, and AI-powered insights. No more spreadsheets, no more arguments about money.

We have a functional MVP running on n8n + PostgreSQL (self-hosted schema). The focus is sharp: couples finance, with a clear differentiator — multi-input logging. Say "gastei 50 no mercado" in a WhatsApp voice message, and Whisper transcribes it into a categorized expense. Snap a photo of a receipt, and OCR pulls out the items, total, and category. Text, voice, or image — everything becomes a tracked expense.

Couples argue about money. Gastei removes the friction.

No spreadsheets. No manual logging. Just talk, snap, or type. Three input modes that actually work:

• Text: "gastei 50 mercado"
• Voice: Send an audio message
• Photo: Snap the receipt

Done.

• 📊 Dashboard — Real-time overview of expenses, income, and balances
• 👫 Couples Mode — Shared wallets with individual + joint spending views
• 🏷️ Smart Categories — Auto-categorization powered by AI
• 🎙️ Voice Input — Send an audio saying "gastei 50 no mercado" and Whisper transcribes + logs it
• 📸 Receipt OCR — Snap a photo of any receipt — OCR extracts items, totals, and categories automatically
• 📱 Mobile-first — PWA optimized for quick expense logging
• 📈 Insights — Monthly trends, spending patterns, savings goals
• 🔔 Alerts — Budget limits, unusual spending, bill reminders

📱 You                          💸 Gastei
"gastei 50 no mercado"    →    💬 Text parsed → R$50 Groceries
🎙️ "trinta reais uber"    →    🎙️ Whisper → R$30 Transport  
📸 [receipt photo]          →    📸 OCR → R$127.50 (3 items)

• Project setup (Next.js + TypeScript + Tailwind)
• UI component library (Shadcn)
• Product analysis & UX research

• Auth flow (email + social login)
• Expense CRUD (add, edit, delete, list)
• Categories management
• Dashboard with monthly summary
• Couples invite & shared wallet
• WhatsApp integration (text + voice + image input)
• Voice-to-expense: audio → Whisper → parsed expense
• Photo-to-expense: receipt → OCR → items + total

• AI auto-categorization from text, voice, and image inputs
• Monthly spending insights
• Budget alerts & notifications
• Recurring expenses detection

• Bank account integration (Open Finance Brasil APIs)
• Automatic transaction import
• Credit card statement parsing
• Multi-bank consolidated view

• WhatsApp bot ("gastei 50 mercado")
• Savings goals & challenges
• Export reports (PDF/CSV)
• Family mode (beyond couples)

# Clone
git clone https://github.com/shishiv/gastei.git
cd gastei/app

# Install
pnpm install

# Setup env
cp .env.example .env.local

# Run
pnpm dev

MIT

Built by Myke Matos — TriânguloTEC