QuickBooks is also better for businesses that need to track inventory, as it has built-in inventory management features. Xero also has inventory management, but it's not one of its core functions. Xero is a better option for businesses that need to track project profitability.

Getting started with Xero. Sign up for a free 30-day trial of Xero and then decide which plan suits your business. No credit card is required, you just need to provide your name, email address and a phone number. We ask for a phone number so that we can get in touch with you directly to help you get started on Xero.

The Xero Accounting mobile app works in tandem with the Xero accounting software so you can run your small business online from anywhere. Keep track of your unpaid and overdue invoices, bank account balances, profit and loss, cash flow and bills to pay – plus reconcile bank accounts and convert quotes to invoices.

The Xero Accounting app is included as part of your Xero subscription and free to download. It's available for iPhones and iPads.