Qualifio is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Vovici has better usage coverage in more websites categories. Including People & Society, Business & Industry, Career & Education, Arts & Entertainment and 62 other categories.
Qualifio is leading in Music & Audio, TV & Video, Magazines & E-Zines, Newspapers and 11 other categories.
Vovici is leading in most countries, including United States, Canada, United Kingdom, China and 31 other countries.
Qualifio is leading in France, Belgium, Spain, Netherlands and 8 other countries.