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 77 other categories.
Imonomy is leading in News & Media, Computer & Electronics, Technology News, Software and 23 other categories.
Imonomy is leading in most countries, including France, Ukraine, Mexico, Brazil and 32 other countries.
Vocus is leading in United States, India, United Kingdom, Canada and 16 other countries.