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, News & Media, Sports, Career & Education and 110 other categories.
PayClick is leading in People & Society, Arts & Entertainment, Internet & Telecom, Shopping and 42 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Canada, Belarus and 75 other countries.
PayClick is leading in Italy, Switzerland, Albania, Nicaragua and 5 other countries.