Moon Invoice is a cloud-based and on-premise billing and invoicing solution that helps businesses process payments, track expenses, and generate financial reports. It offers features such as multi-currency, tax overhead calculation, data synchronization, offline access, and timesheet. Users can create invoices using predefined templates, automate recurring bills, and send account statements to clients. The application also allows finance teams to monitor the history of estimates, notify customers about the valid proposal period, and receive approvals on quotations. Employees can log time while starting a project, letting supervisors prepare invoices.