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, Arts & Entertainment, News & Media, Sports and 122 other categories.
NetShelter is leading in Internet & Telecom, Computer & Electronics, Software, People & Society and 23 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Canada, India and 71 other countries.
NetShelter is leading in Russia, Indonesia, Finland, Czech Republic and 21 other countries.