iQ Poll 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, Education and 52 other categories.
iQ Poll is leading in News & Media, Arts & Entertainment, TV & Video, Newspapers and 19 other categories.
Vovici is leading in most countries, including United Kingdom, Canada, India, China and 27 other countries.
iQ Poll is leading in United States, Mexico, Dominican Republic, Venezuela and 3 other countries.