Imonomy is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Vocus has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, Health and 75 other categories.
Imonomy is leading in News & Media, Computer & Electronics, Technology News, Software and 24 other categories.
Imonomy is leading in most countries, including France, Ukraine, Brazil, Mexico and 22 other countries.
Vocus is leading in United States, United Kingdom, Canada, India and 13 other countries.