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, Marketing & Advertising, Industrial Goods & Services and 14 other categories.
PriceGrabber is leading in Computer & Electronics, Computer Hardware, Products & Shopping, Computer Security and 3 other categories.
Nextag ROI Optimizer is leading in most countries, including United States, France, Germany, Japan and one other country.
PriceGrabber is leading in Canada and United Kingdom.