Ad Butler is leading in Top 1M Sites.
Ad Butler has better usage coverage in more websites categories. Including Business & Industry, News & Media, Arts & Entertainment, Sports and 97 other categories.
OMG is leading in Shopping, Coupons, Travel, Tourism and 23 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Canada, Mexico and 66 other countries.
OMG is leading in India, Poland, Belgium, Vietnam and 8 other countries.