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 138 other categories.
PubExchange is leading in Home & Garden, Beauty & Fitness, Clothing, Magazines & E-Zines and 11 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Canada, Belarus and 74 other countries.
PubExchange is leading in Hungary, Bangladesh and Azerbaijan.