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Your money, your device.
Nobody else's business.

Track your spending, watch your portfolio grow, compare cities around the world, and plan your path to financial independence. No account needed, no data shared, ever.

Track SpendingLive Portfolio50+ CitiesFIRE Calculator
WealthDOS Portfolio
WealthDOS Dashboard

Made for

People who want clarity, not complexity

Expats & Nomads

Compare rent, groceries, and lifestyle across 50+ cities. Track expenses in any currency. See where your money stretches the most.

FIRE Community

Run Monte Carlo simulations, model withdrawal rates, and find your freedom number. See when you could stop working and how to get there faster.

Privacy First

Everything runs in your browser. No cloud, no sync, no accounts. Even we can't see your numbers.

Everyday Investors

Live prices for stocks, ETFs, and crypto. Track your P&L, set up DCA plans, and follow your dividends in one place.

100% Private

Your data lives on your device. Period.

Free forever

Full app, no credit card, no catch

Zero sign-up

No email, no password, just open it

Works anywhere

On a plane, in the subway, on the beach

Ready? Just open it.

No sign-up. No credit card. Your data stays yours. Always.