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 Magazines & E-Zines, Home & Garden, Lottery, Gambling and 8 other categories.
Vovici is leading in most countries, including United States, United Kingdom, China, India and 30 other countries.
Qualifio is leading in France, Belgium, Spain, Netherlands and 4 other countries.