Lightning Fast
Record bills in 3 seconds, generate splits instantly. Say goodbye to manual calculations.
Multi-currency bill splitting with auto-locked exchange rates. Split dining, travel & shared expenses effortlessly. Google & Microsoft SSO, QR code social, real-time sync.
The best expense sharing experience for international friend groups
Record bills in 3 seconds, generate splits instantly. Say goodbye to manual calculations.
Scan QR codes to instantly add friends or join groups. Immersive full-screen scanning.
Create groups for trips or dinners, invite friends via QR or link. One-tap settlement when done.
Share a bill link — friends mark themselves as paid without registering. Perfect for casual dining or overseas travel on the spot.
Link your LINE account to get instant notifications for new bills and payment requests. No need to keep checking the app.
Experience all features without signing up. Explore billing, debts, and group management — register only when you're ready.
Auto-lock exchange rates within groups. Foreign currency splits stay consistent regardless of rate fluctuations.
AI-powered spending predictions using Kalman filter. Track trends, category stats, and get monthly forecasts.
HTTPS encryption, BCrypt password protection, no ad tracking. Your financial data stays private.
Fully localized in English, Chinese, and Japanese. Perfect for international friend groups.
Support for 11 currencies including USD, EUR, JPY, CNY, GBP, and more. Auto-conversion at real-time rates.
Simple, fast, and free
Sign up in one minute with email, Google, or Microsoft account. No credit card required.
Scan QR codes or search to add friends. Create groups for trips or dinners, invite via QR or link.
Record expenses with auto-splitting, view net debts, send nudge reminders, and settle with one tap.
No need to add friends — just enter participant names to create a bill.
Generate a share link and send it via any channel — WeChat, LINE, SMS, or email.
No sign-up needed. Friends open the link and mark themselves as paid.
Real-world use cases where Pay友 shines
Multi-currency AA splitting for trips abroad. Exchange rates are locked at the start — no surprises when you settle up.
Close the group after the event and settle in one tap. Itemized receipts make reimbursements transparent and easy.
Track utilities, rent, and groceries month-by-month. AI spending forecasts help you plan ahead for next month's bills.
Start free and enjoy the simplest bill splitting experience.