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, Career & Education, Music & Audio and 102 other categories.
Connextra is leading in Gambling, Sports, Sports, People & Society and 50 other categories.
Connextra is leading in most countries, including Russia, Greece, Germany, Spain and 40 other countries.
Ad Butler is leading in United States, United Kingdom, Canada, Belarus and 39 other countries.