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, People & Society, Arts & Entertainment, Health and 74 other categories.
Imonomy is leading in News & Media, Computer & Electronics, Technology News, Software and 22 other categories.
Imonomy is leading in most countries, including France, Ukraine, Italy, Mexico and 26 other countries.
Vocus is leading in United States, India, United Kingdom, Canada and 21 other countries.