Ad Butler is leading in Top 1M Sites.
Ad Butler has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, News & Media, Sports and 132 other categories.
PubExchange is leading in Beauty & Fitness, Nursery & Playroom, Home & Garden, Clothing and 10 other categories.
Ad Butler is leading in most countries, including Belarus, United States, United Kingdom, Canada and 88 other countries.
PubExchange is leading in Macedonia, Nepal, Croatia and Sri Lanka.