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, Consumer Electronics, Children and 5 other categories.
Nextag ROI Optimizer is leading in most countries, including United States, France, Germany, Belarus and 5 other countries.
PriceGrabber is leading in United Kingdom and Mexico.