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 79 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, Brazil, Germany and 31 other countries.
Vocus is leading in United States, Canada, India, Russia and 16 other countries.