Freshbooks offers Free Trial, but Ontop does not.
Ontop is designed for Medium Business and Small Business.
Freshbooks is designed for Freelancers, Medium Business and Small Business.
Pricing for Ontop Starts at $49/month when monthly whereas for Freshbooks Starts at $8/month when monthly.
Some top alternatives to Ontop includes Freshbooks, Pilot, Remote Team, Paychex Flex, Paycom, CloudPay, Deel, Remote.com, Papaya Global, Remote, Multiplier, Remofirst, Paycor and Info-Tech.
Some top alternatives to Freshbooks includes Quickbooks, Xero, Zoho Books, FreeAgent, QuickFile, HoneyBook, Zoho Invoice, Busy Accounting Software, QuickBooks Desktop Pro and Wave.