Peerius is leading in Top 100K Sites and Top 1M Sites.
Peerius has better usage coverage in more websites categories. Including Shopping, Clothing, Business & Industry, Home & Garden and 34 other categories.
PriceGrabber is leading in Computer & Electronics, Computer Hardware, Government, Music and 5 other categories.
Peerius is leading in most countries, including United Kingdom, Germany, United States, France and 25 other countries.
PriceGrabber is leading in Canada, Greenland and Mexico.