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 52 other categories.
PriceGrabber is leading in Computer & Electronics, Marketing & Advertising, Computer Hardware and Computer Security.
FeedPerfect is leading in most countries, including United States, United Kingdom, Canada, Russia and 30 other countries.
PriceGrabber is leading in Greenland and Mexico.