In terms of market share, AddyON is clearly lagging behind, losing to Kelkoo in all segments.
AddyON has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media, Games and 37 other categories.
Kelkoo hasn't got a lead over AddyON in any websites category.
Kelkoo is leading in most countries, including Netherlands, Norway, Spain, Sweden and 3 other countries.
AddyON is leading in Italy, Germany and Russia.