In terms of market share, AdKeeper is clearly lagging behind, losing to Echo in all segments.
Echo has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Science, Adult and 14 other categories.
AdKeeper is leading in News & Media, Technology News, Career & Education, Jobs & Employment and 2 other categories.
Echo is leading in most countries, including United States, Hungary, Malta, Russia and 2 other countries.
AdKeeper hasn't got a lead over Echo in any country.