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, Marketing & Advertising and 75 other categories.
Kelkoo hasn't got a lead over AdTiger in any websites category.
AdTiger is leading in most countries, including Germany, Austria, Switzerland, Albania and 18 other countries.
Kelkoo is leading in Czech Republic, Finland, Norway, Portugal and one other country.