Ad Butler is leading in Top 100K Sites and Top 1M Sites.
Ad Butler has better usage coverage in more websites categories. Including Business & Industry, News & Media, Arts & Entertainment, Sports and 89 other categories.
SpecificClick is leading in People & Society, Shopping, Religion & Spirituality, Autos & Vehicles and 29 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Canada, Mexico and 64 other countries.
SpecificClick is leading in France, Indonesia, Brazil, Norway and 10 other countries.