PubExchange is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Simply has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, News & Media and 112 other categories.
PubExchange is leading in Universities & Colleges, Home & Garden, Nursery & Playroom, Magazines & E-Zines and 18 other categories.
Simply is leading in most countries, including Italy, Spain, France, United Kingdom and 30 other countries.
PubExchange is leading in United States, Canada, Philippines, Chile and 13 other countries.