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 114 other categories.
Gunggo is leading in Boxing, Baseball and Puzzles & Brainteasers.
Ad Butler is leading in most countries, including United States, United Kingdom, Canada, Mexico and 78 other countries.
Gunggo hasn't got a lead over Ad Butler in any country.