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 113 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, Australia, Russia and 45 other countries.
PubExchange is leading in United States, Canada, Mexico, Philippines and 13 other countries.