groups Shared expenses, no calculator

Split costs.
Settle debts.
No drama.

Debtster splits any group expense —evenly or by weight—, keeps balances up to date instantly, and tells you exactly who owes whom.

check_circle Free sync Syncs instantly
Debtster payment detail screen
Debtster summary screen with balances
Everything you need

Built for real accounts

Flatshares, trips, dinners or family. Debtster adapts to how your people spend.

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Groups

Treat a couple or a family as a single entity: they share expenses with no internal debts, while the main group stays balanced to the cent.

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Splits without limits

Evenly, by weight, by servings, nights or kilometres. Any complex split, with an interface as simple as adding up.

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Real-time balances

See at a glance who owes whom, with the minimum payment plan to get everyone back to zero.

insights

Dashboard & reports

Visualise spending by category, person and period. Spot trends and talk about them with data, not from memory.

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Multi-currency

Live or fixed exchange rate per account. Travel halfway around the world without opening the calculator again.

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Settle with a swipe

Mark a payment as settled or send a reminder by swiping the row. No awkward conversations.

In three steps

From the bill to zero, friction-free

Create and share a Debtster account

Create and share your account

Pick a currency and a colour, then share it with your group if you want. It also works 100% local if you keep the books for everyone.

Log an expense in Debtster

Log every expense

Who paid, for whom and how it splits. Every expense lands in a clean, editable list.

Settle up in Debtster

Settle up

Debtster works out the minimum payments to get everyone to zero. Mark as paid and you're done.

Dashboard & reports

See where the money goes

A clean dashboard of your spending by category, person and period. Change the date range and filter to see the full picture — no spreadsheets needed.

  • category
    By category
    Food, lodging, transport… see where every euro goes.
  • group
    By person
    Compare who chips in more and who consumes more.
  • calendar_month
    By period
    Month, trip or custom range. Compare across periods.
Debtster spending dashboard

Start splitting expenses today

Download Debtster for free and let the numbers balance themselves.