AdTiger is leading in Top 100K Sites and Top 1M Sites.
AdTiger has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, News & Media and 87 other categories.
Kelkoo is leading in Children.
AdTiger is leading in most countries, including Germany, Switzerland, Albania, Austria and 21 other countries.
Kelkoo is leading in Denmark, Finland, Italy, Netherlands and 3 other countries.