Ad Spirit is leading in Top 100K Sites and Top 1M Sites.
Ad Spirit has better usage coverage in more websites categories. Including Sports, Business & Industry, Arts & Entertainment, Soccer and 89 other categories.
ViralBuzzer is leading in Humor.
Ad Spirit is leading in most countries, including Germany, Austria, Switzerland, United States and 27 other countries.
ViralBuzzer hasn't got a lead over Ad Spirit in any country.