Yes, both Invoice Simple and Freshbooks offer a Free Trial.
Invoice Simple is designed for Large Enterprises, Medium Business and Small Business.
Freshbooks is designed for Freelancers, Medium Business and Small Business.
The starting price of Freshbooks begins at $8/month when monthly, while pricing details for Invoice Simple are unavailable.
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.
Some top alternatives to Freshbooks includes Quickbooks, Xero, Zoho Books, FreeAgent, QuickFile, HoneyBook, Zoho Invoice, Busy Accounting Software, QuickBooks Desktop Pro and Wave.