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.
Free forever. No ads. No catch.
See CostSplit in Action
A clean, intuitive experience on iOS, Android, and the web.
Track friend balances
Organize by group
Add expenses easily
View group expenses
Everything you need to split expenses
Simple, fair, and transparent expense sharing for any group.
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.
Multi-Currency
Travelling internationally? Add expenses in any currency. CostSplit keeps track of everything in the original currency.
Real-Time Balances
Always know who owes what. See your balances at a glance and settle up with a single tap.
Receipt Photos
Attach photos of receipts to any expense for transparency and easy reference later.
Activity Feed
Stay up to date with a live activity feed showing all expense changes, comments, and settlements in your groups.
How It Works
Create a Group
Set up a group for your trip, apartment, dinner, or any shared activity and invite your friends.
Add Expenses
Log expenses as they happen. Choose who paid and how to split the cost among group members.
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.
