Freshbooks offers Free Trial, but Nekton does not.
Freshbooks is designed for Freelancers, Medium Business and Small Business.
Nekton is designed for Large Enterprises, Small Business, Medium Business, Freelancers and Individuals.
Pricing for Freshbooks Starts at $8/month when monthly whereas for Nekton Starts at $9.00per month when Billed Yearly.
Some top alternatives to Freshbooks includes Quickbooks, Xero, Zoho Books, FreeAgent, QuickFile, HoneyBook, Zoho Invoice, Busy Accounting Software, QuickBooks Desktop Pro and Wave.
Some top alternatives to Nekton includes and Todoist.