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Expense Manager

Split expenses, solve debts,
worry-free travel.

The ultimate multi-currency settlement app designed for global groups. Log transactions in any currency, apply exact splits, and calculate the easiest way to settle up.

Download on the App Store
Get it on Google Play

Why use whatdoio?

Powerful features built to handle complex shared expenses without the headache.

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Exact Splits

Assign custom contribution amounts to individual members. Perfect for when dinner or rooms aren't divided evenly.

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Multi-Currency Solver

Log expenses in Euros, Japanese Yen, or Canadian Dollars. The app automatically converts everything to your group base currency.

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Optimal Settlements

Don't send multiple payments back and forth. Our optimization engine solves exactly who owes whom in the fewest transactions possible.