Share Expenses Fairly in a Group

Posted on 8th December 2025 by Katamarans

Katamarans Expense Share

Katamarans Expense Share is a free comprehensive expense tracking tool to help groups manage shared costs across multiple currencies. This started off as a sailing expense sharing app, but it works for any group activity.

You can access the app below or at share.katamarans.com

Perfect for sailing trips, group vacations, roommates, or any trip where multiple people share expenses.

With secure cloud storage, multi-currency support, balance calculations and optimised settlement plans.

Support & Contact

For additional help, questions, or feedback:

🌐 Visit: www.katamarans.com

Quick Reference Card

Action	Steps
Sign Up	Click “Sign up” → Enter email & password → Sign up
Create Yacht	Click “Create New Yacht” → Enter name → Create
Join Yacht	Click “Join Yacht” → Enter 6-digit code → Join
Add Participant	Type name → Click “Add Participant” or press Enter
Add Expense	Fill description, amount, currency → Select who paid → Select split between → Add Expense
Change Base Currency	Click currency dropdown at top → Select new currency
View Settlement	Scroll to “Settlement Plan” section
Delete Yacht	Yacht selection page → Click delete button → Confirm
Log Out	Click “Sign Out” button in top right corner