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 65 other categories.
Qualifio is leading in Music & Audio, TV & Video, Magazines & E-Zines, Newspapers and 9 other categories.
Vovici is leading in most countries, including United States, China, United Kingdom, Canada and 34 other countries.
Qualifio is leading in France, Belgium, Spain, Netherlands and 6 other countries.