KeywordMax is leading in Top 1M Sites.
KeywordMax has better usage coverage in more websites categories. Including Business & Industry, People & Society, Shopping, Health and 55 other categories.
PriceGrabber is leading in Marketing & Advertising, Computer Hardware, Computer Security, Government and one other category.
KeywordMax is leading in most countries, including United States, United Kingdom, Canada, Germany and 18 other countries.
PriceGrabber hasn't got a lead over KeywordMax in any country.