Ad Butler is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Ad Butler has better usage coverage in more websites categories. Including Business & Industry, News & Media, Sports, Career & Education and 106 other categories.
AdMob is leading in People & Society, Arts & Entertainment, Internet & Telecom, Music & Audio and 47 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Belarus, Canada and 59 other countries.
AdMob is leading in Indonesia, Japan, Italy, Russia and 32 other countries.