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, Sports, Career & Education, Food & Drink and 87 other categories.
Simply is leading in People & Society, Arts & Entertainment, News & Media, Internet & Telecom and 67 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Canada, Belarus and 65 other countries.
Simply is leading in Italy, Spain, France, Brazil and 15 other countries.