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, News & Media, Music & Audio, Sports and 102 other categories.
Advert Stream is leading in Arts & Entertainment, Games, People & Society, Internet & Telecom and 35 other categories.
Ad Butler is leading in most countries, including United States, Belarus, United Kingdom, Canada and 70 other countries.
Advert Stream is leading in France, Algeria, Morocco, Switzerland and 7 other countries.