FeedPerfect is leading in Top 100K Sites and Top 1M Sites.
FeedPerfect has better usage coverage in more websites categories. Including Shopping, Business & Industry, Home & Garden, Clothing and 50 other categories.
PriceGrabber is leading in Computer & Electronics, Marketing & Advertising, Computer Hardware and Computer Security.
FeedPerfect is leading in most countries, including United States, Canada, Poland, Netherlands and 25 other countries.
PriceGrabber hasn't got a lead over FeedPerfect in any country.