Yes, both CoManage and Billin offer a Free Trial.
CoManage is designed for and Small Business.
Billin is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing details for both CoManage and Billin are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to CoManage includes Invoice Ninja, Invoiced, InvoiceBerry, Invoice2go, Invoicebus, Simple Invoices, Billin, Inwise, Envoice and Invoice Simple.
Some top alternatives to Billin includes Invoiced, InvoiceBerry, Moon Invoice, GetMyInvoices.com, InvoiceApp, GoGSTBill, Refrens Invoice, Invoice Simple and Billogram.