In terms of market share, Nextag ROI Optimizer is clearly lagging behind, losing to PriceGrabber in all segments.
Nextag ROI Optimizer has better usage coverage in more websites categories. Including Shopping, Business & Industry, Clothing, Marketing & Advertising and 17 other categories.
PriceGrabber is leading in Computer & Electronics, Health, Computer Hardware, Products & Shopping and 7 other categories.
Nextag ROI Optimizer is leading in most countries, including United States, Germany, United Kingdom, France and 6 other countries.
PriceGrabber is leading in Canada and Mexico.