Allegiance is leading in Top 100K Sites and Top 1M Sites.
Allegiance has better usage coverage in more websites categories. Including People & Society, Religion & Spirituality, Business & Industry, Finance and 16 other categories.
Echo is leading in Games, Investing, Adult, Science and 6 other categories.
Allegiance is leading in most countries, including United States, Congo Republic, Brazil, Australia and 24 other countries.
Echo hasn't got a lead over Allegiance in any country.