Bookkeeping, booking, and invoicing for service businesses

Catatin keeps your client bookings, multi-stage invoices, expenses, and cash flow in one place — built mobile-first so you can run your business from your phone.

No credit card required.

See your cash flow at a glance

The Monthly Overview chart lines up income, expenses, and net for the last 6 months, so you can spot a trend the moment you open the app.

Monthly Overview chart showing income, expenses, and net trending upward over 6 months
Booking
A calendar for client bookings with automatic schedule-conflict detection.
Multi-Stage Invoicing
Split one transaction into a down payment, installments, and a final payment — each tracked as its own invoice.
Invoice Generator
Generate polished, branded PDF invoices in one click — your logo, business details, and an itemized breakdown, ready to send.
Expense Tracking
Record expenses by category and see where your money is going.
Financial Dashboard
Cash in this month, outstanding invoices, and a 6-month income/expense trend.