In terms of market share, Echo is clearly lagging behind, losing to Wahoha in all segments.
Wahoha has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Adult, Humor and 33 other categories.
Echo is leading in Science, Investing, Finance, Social Sciences and 3 other categories.
Wahoha is leading in most countries, including United States, India, Brazil, Russia and 18 other countries.
Echo is leading in New Zealand, Indonesia, France and Congo Republic.