Yes, both Expen6 and Bill.com offer a Free Trial.
Expen6 is designed for Large Enterprises, Small Business, Medium Business and Individuals.
Bill.com is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Bill.com begins at $0/user/month, while pricing details for Expen6 are unavailable.
Some top alternatives to Expen6 includes Rippling Spend and Bill.com.
Some top alternatives to Bill.com includes AvidXchange, APXPRESS, Paypool, Melio, QuickFile, InvoiceWorks, Tipalti, Stampli and Enverus OpenInvoice.