Ad Spirit is leading in Top 10K Sites, 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 80 other categories.
PubExchange is leading in Career & Education, Universities & Colleges, Clothing, Magazines & E-Zines and 19 other categories.
Ad Spirit is leading in most countries, including Germany, Austria, Switzerland, Poland and 21 other countries.
PubExchange is leading in United States, India, Canada, Mexico and 15 other countries.