Ad Butler is leading in Top 1M Sites.
Ad Butler has better usage coverage in more websites categories. Including Business & Industry, News & Media, Sports, Food & Drink and 91 other categories.
Simply is leading in Arts & Entertainment, People & Society, Internet & Telecom, Shopping and 40 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Canada, Russia and 58 other countries.
Simply is leading in Italy, Spain, Colombia, Portugal and 10 other countries.