Yes, both Brex and Bill.com offer a Free Trial.
Brex is designed for Large Enterprises, Medium Business and Small Business.
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 Brex are unavailable.
Some top alternatives to Brex includes Rippling Spend, Bill.com, Divvy, Simplifi, Zoho Expense, Fyle, ExpenseWire, Concur Expense, Expensify, Webexpenses, Expend, Coupa Expense Management, Emburse Certify, Access Expense, ExpenSys, Quicken and Precoro.
Some top alternatives to Bill.com includes AvidXchange, APXPRESS, Paypool, Melio, QuickFile, InvoiceWorks, Tipalti, Stampli and Enverus OpenInvoice.