Harvel offers Free Trial, but WebWhale does not.
Harvel is designed for Large Enterprises, Medium Business and Small Business.
WebWhale is designed for Freelancers, Medium Business and Small Business.
Pricing for Harvel Starts at $29/Month whereas for WebWhale Starts at $4.99/Month.
Some top alternatives to Harvel includes Copywritely, PlagiaShield, Copyscape, GoDaddy Website Security, Priveguard, Qualified, Workvivo, WebWhale, IFTTT and PatentBot.
Some top alternatives to WebWhale includes PlagiaShield, Quickblog, Oh, Content!, Qualified, Workvivo, BlogSmith, Blog To Social, Instablogs, Digital Proof, IFTTT and PatentBot.