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 29 other categories.
PriceGrabber is leading in Computer & Electronics, Computer Hardware, Computer Security, Law & Government and 3 other categories.
Peerius is leading in most countries, including United Kingdom, Germany, Austria, Netherlands and 17 other countries.
PriceGrabber is leading in United States and Canada.