iProspect
5 websites

iProspect is free to use

http://www.iprospect.com

iProspect.com, Inc. operates as a search engine marketing company. It develops, implements, and manages natural search engine optimization and paid search advertising campaigns. The company's search engine marketing services include natural...

VS

Nextag ROI Optimizer
3 websites

Nextag ROI Optimizer is free to use

http://nextagsellers.blogspot.com/2010/02/roi-optimizer.html

2 Feb 2010 ... The ROI Optimizer is one of the most important features that you can implement to understand the performance of your account. What is it?

Market Share by Top Websites

2 In terms of market share, iProspect is clearly lagging behind, losing to Nextag ROI Optimizer in all segments.

Websites Categories

1 iProspect has better usage coverage in more websites categories. Including Games.

2 Nextag ROI Optimizer is leading in Lifestyle.

Geography

1 iProspect is leading in most countries, including China and Japan.

2 Nextag ROI Optimizer hasn't got a lead over iProspect in any country.