Yes, both CoManage and Invoice Simple offer a Free Trial.
CoManage is designed for and Small Business.
Invoice Simple is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both CoManage and Invoice Simple 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 Invoice Simple includes Quickbooks, Freshbooks, QuickFile, Invoice2go, Servicejoy, CloudBooks, QuickBooks Online Advanced, InvoiceCloud, Qualified, Workvivo and Invoice Maker by Saldo Apps.