Keep group spending fair without spreadsheets.
WhoPays tells you who should pay next.
Track shared expenses for trips, roommates, and clubs with automatic balance rotation.
Now available on iPhone and Android.
"WhoPays keeps the rotation fair by showing who should pay next. Nobody argues about settling up, and you never touch a spreadsheet."
Balances stay even automatically
Next payer banner
- See at a glance who should cover the next expense.
- Balances update instantly after every entry.
Readable history
- Review every purchase with clear context.
- Edit or delete entries without breaking the math.
Log expenses in seconds
One-tap "I paid" flow
- Select who participated with include/exclude chips.
- Add quick notes so everyone remembers the context.
Direct pay entries
- Record payments between two people without friction.
- Balances update instantly after every payment.
Built for real-life groups
Multi-currency tracking
- Log expenses in any currency; WhoPays keeps exchange rates current automatically.
- See original and converted amounts side by side so nothing is lost.
Fast sync with privacy in mind
- Groups stay aligned instantly across iPhone and Android.
- No account or sign-in required—join anonymously with a group code.
And more features groups love
No spreadsheet clean-up
WhoPays calculates splits automatically, even for subset expenses.
Private by design
Your group data stays private to the people you invite.
iPhone + Android
Use the same group on iPhone and Android with matching features and speed.
Ready to keep things fair?
Now on the App Store and Google Play.