For couples & households
Shared expenses,
perfectly balanced.
Know what you owe. Know what you're owed. Settle up without the awkward conversation.
The moment that matters
You are settled.
That's the whole point. No outstanding balances. No reminders. No one keeping score. Just two people, living together, with finances that take care of themselves.
Balance with Marte
$0.00
You are settled · updated now
Everything you need, nothing you don't
Built for the way couples actually manage money.
Expense tracking
Log shared and personal expenses in seconds. Split by any ratio — equal, exact, or percentage.
Balance at a glance
Always know where you stand. One number, updated the moment an expense is added.
AI-powered insights
Spending patterns and anomaly detection powered by Claude AI — quietly working in the background.
Budget planning
Set budgets per category and see where you stand before the month is out.
Receipt scanning
Snap a photo and the amount, merchant, and category fill in automatically.
Monthly overview
Donut charts and category breakdowns so you can see your spending clearly.
Projects
Track spending for trips, renovations, and events separately from day-to-day expenses.
Shared lists
A grocery list you both see in real time. Check things off together.
Multi-currency
Add expenses in any currency. Live conversion keeps everything in your home currency.
Built with security first
Your financial data is sensitive. Here's exactly how we protect it.
AES-256-GCM encryption
Every amount, merchant name, and note is encrypted at rest before it ever touches the database.
Secure authentication
Powered by Clerk — industry-standard OAuth, session management, and brute-force protection.
Your data stays yours
Strict household-level isolation. You can only ever access your own financial data.
Encryption key rotation
Versioned keys allow seamless rotation without exposing or re-encrypting existing data.
Full audit trail
Every data modification is logged with anonymised IP tracking.
Abuse protection
All endpoints are rate-limited per user and validated with strict schemas.