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, Sports, Career & Education, Finance and 94 other categories.
AdMob is leading in People & Society, Arts & Entertainment, Internet & Telecom, Music & Audio and 49 other categories.
Ad Butler is leading in most countries, including United States, Belarus, United Kingdom, Canada and 57 other countries.
AdMob is leading in Indonesia, Japan, Italy, France and 25 other countries.