Yes, both Xero and OnPay offer a Free Trial.
Xero is designed for Freelancers, Medium Business and Small Business.
OnPay is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of OnPay begins at $40/Month, while pricing details for Xero are unavailable.
Some top alternatives to Xero includes Quickbooks, Sage Accounting (Sage One), Zoho Books, Zoho Daybook, QuickFile, Sage Business Cloud Accounting, MYOB, QuickBooks Desktop Pro, QuickBooks Online Advanced and Sage 50cloud Accounting.
Some top alternatives to OnPay includes BambooHR, Paycor, Paylocity Web Pay, Paychex Flex, Gusto, SurePayroll, Square Payroll, Paycom, QuickBooks Payroll, Paybooks, ADP Payroll Services, Coverio, NETCHEX and Quikchex.