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, Arts & Entertainment, News & Media, Sports and 118 other categories.
Ad Spirit is leading in Shopping, Soccer, Marketing & Advertising, Games and 30 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Canada, Belarus and 74 other countries.
Ad Spirit is leading in Germany, Austria, Switzerland, Slovenia and 3 other countries.