Split Expenses Effortlessly with Friends
CostShare makes it simple to track shared expenses, settle debts, and maintain financial harmony in your social circle.
Track Group Expense
Easily record and categorize expenses shared with roomates, friends, or travel companies.
Smart Debt calculation
Our algorithm optimizes who pays whom, minimizing the number of transactions needed to settle up.
Payment Reminders
Send gentle reminders to friends who owe you money without the awkward conversations.
Simplify Group Finances
Whether you're sharing an apartment, planing a vacation, or just going out for dinner, CostShare helps you keep track of who paid for what and who owne whom.
- ✅ Create multiple groups for different sharing scenarios
- ✅ Integrate with payment platforms for instant settlements
- ✅ Track individual and group expenses in one place
- ✅ Split bills evenly or by custom percentages
- ✅ Send automatic reminders to settle up
- ✅ View detailed balance summaries for each group
How It Works
Create a Group
Add friends to your expense-sharing group
Log Expenses
Record who paid and how to split the cost
Track Balances
See how ownes what at a glance
Settle Up
Pay or receive money to clear debts
Ready to simplify your shared expenses?
Add expenses in any currency with automatic conversion
What Our Users Say
Emily Chen
⭐⭐⭐⭐⭐
"CostShare saved our friendship during our Europ trip! No more awkward money converstion or trying to remember who paid for what."
Marcus Johnson
⭐⭐⭐⭐⭐
"As roomates, we use this app daily. The expense tracking is intuitive and the debt calculation is spot on. Highly recommend!"
Sofia Rodriguez
⭐⭐⭐⭐⭐
"I organize group dinners weekly, and this app has been a game-changer. The ability to split bills unevenly is exactly what we needed."