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 34 other categories.
Echo is leading in Science, Basketball, Social Sciences, Climbing and 4 other categories.
Wahoha is leading in most countries, including India, Canada, United Kingdom, Germany and 46 other countries.
Echo hasn't got a lead over Wahoha in any country.