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, Home & Garden, Marketing & Advertising and 20 other categories.
PriceGrabber is leading in Computer & Electronics, Computer Hardware, Computer Security, Law & Government and 5 other categories.
Nextag ROI Optimizer is leading in most countries, including United States, France, Germany, Japan and 2 other countries.
PriceGrabber is leading in Canada, Argentina, Russia and United Kingdom.