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, Arts & Entertainment, Sports and 85 other categories.
Meebo Bar is leading in People & Society, Computer & Electronics, Software, Religion & Spirituality and 43 other categories.
Ad Butler is leading in most countries, including United States, United Kingdom, Canada, Mexico and 60 other countries.
Meebo Bar is leading in India, Brazil, Indonesia, Argentina and 23 other countries.