Yes, both Bill.com and Concur Expense offer a Free Trial.
Bill.com is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Concur Expense is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Bill.com begins at $0/user/month, while pricing details for Concur Expense are unavailable.
Some top alternatives to Bill.com includes AvidXchange, APXPRESS, Paypool, Melio, QuickFile, InvoiceWorks, Tipalti, Stampli and Enverus OpenInvoice.
Some top alternatives to Concur Expense includes Rippling Spend and Bill.com.