Ad Spirit is leading in Top 100K Sites and Top 1M Sites.
Ad Spirit has better usage coverage in more websites categories. Including Sports, Business & Industry, Arts & Entertainment, Soccer and 74 other categories.
PubExchange is leading in Universities & Colleges, Clothing, Nursery & Playroom, Home & Garden and 14 other categories.
Ad Spirit is leading in most countries, including Germany, Austria, Switzerland, Poland and 12 other countries.
PubExchange is leading in United States, Canada, India, Mexico and 11 other countries.