Peerius is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Peerius has better usage coverage in more websites categories. Including Shopping, Clothing, Business & Industry, Home & Garden and 33 other categories.
PriceGrabber is leading in Computer & Electronics, Computer Hardware, Law & Government, Government and 5 other categories.
Peerius is leading in most countries, including United Kingdom, Germany, Austria, France and 28 other countries.
PriceGrabber is leading in United States, Canada and Venezuela.