ROI trax
4 websites

ROI trax is free to use

http://www.oneupweb.com/oneupweb_glossary/roi_trax/

Oneupweb®’s proprietary ROI trax® technology was designed to help marketers measure performance of online marketing right down to which keywords bring in the most customers; landing-page effectiveness, position reporting, competitor monitor...

VS

WordStream
7 websites

WordStream offers both free and paid options

http://www.wordstream.com/

WordStream provides search marketing software and PPC services that help marketers get better results from their PPC and SEO efforts. The company's easy-to-use software facilitates more effective paid and organic search campaigns by inc...

Market Share by Top Websites

2 In terms of market share, ROI trax is clearly lagging behind, losing to WordStream in all segments.

Websites Categories

1 ROI trax has better usage coverage in more websites categories. Including Health and Home & Garden.

2 WordStream is leading in Computers Electronics & Technology and Law & Government.

Geography

1 WordStream is leading in most countries, including India, United States, Brazil and United Kingdom.

2 ROI trax is leading in Mexico.