Yes, both Simple Invoices and Debitoor offer a Free Trial.
Simple Invoices is designed for Individuals, Freelancers and Small Business.
Debitoor is designed for Freelancers and Small Business.
Pricing details for both Simple Invoices and Debitoor are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Simple Invoices includes Invoice Ninja, Invoiced, Blinksale, InvoiceBerry, Invoicely, Invoice2go, Moon Invoice, Invoicebus, Billin and Refrens Invoice.
Some top alternatives to Debitoor includes Xero, Sage Accounting (Sage One), Patriot Accounting, Quickbooks, LessAccounting, easybook.io, QuickFile, Invoiced, Invoicy, AcuSheet, Simple Invoices and MYOB.