Split expenses,
not friendships.

The easiest way to share costs with friends, roommates, and travel companions. Track expenses, split bills, and settle up — all in one place.

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Everything you need to split expenses

Simple, fair, and transparent expense sharing for any group.

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Group Expenses

Create groups for trips, apartments, dinners, or any shared activity. Add members and start tracking expenses together.

Flexible Splitting

Split equally, by exact amounts, or by percentages. Choose the method that works best for each expense.

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Multi-Currency

Travelling internationally? Add expenses in any currency. CostSplit keeps track of everything in the original currency.

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Real-Time Balances

Always know who owes what. See your balances at a glance and settle up with a single tap.

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Receipt Photos

Attach photos of receipts to any expense for transparency and easy reference later.

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Activity Feed

Stay up to date with a live activity feed showing all expense changes, comments, and settlements in your groups.

How It Works

1

Create a Group

Set up a group for your trip, apartment, dinner, or any shared activity and invite your friends.

2

Add Expenses

Log expenses as they happen. Choose who paid and how to split the cost among group members.

3

Settle Up

When it's time to settle, CostSplit calculates the simplest way to pay each other back.

Ready to split smarter?

Join thousands of people who use CostSplit to keep shared expenses simple and fair.