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

XA.net
6 websites

XA.net offers both free and paid options

https://www.optimalsocial.com/

The Leading Social Media Advertising and Analytics Platform.

Market Share by Top Websites

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

Websites Categories

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

2 XA.net hasn't got a lead over ROI trax in any websites category.

Geography

1 XA.net is leading in most countries, including India, Australia, Germany and South Korea.

2 ROI trax is leading in Mexico and United States.