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 108 other categories.
Adservice Media is leading in Internet & Telecom, Shopping, Finance, Financial Management and 48 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Canada, Belarus and 70 other countries.
Adservice Media is leading in Denmark, Norway, Sweden, Finland and 6 other countries.