Ad Butler is leading in Top 100K Sites and Top 1M Sites.
Ad Butler has better usage coverage in more websites categories. Including Business & Industry, Sports, Career & Education, Health and 88 other categories.
Simply is leading in People & Society, Arts & Entertainment, News & Media, Internet & Telecom and 65 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Canada, Belarus and 69 other countries.
Simply is leading in Italy, Spain, Switzerland, Japan and 9 other countries.