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 79 other categories.
Vocus is leading in Computer & Electronics, Religion & Spirituality, Car Buying, Clothing and 18 other categories.
Vocus is leading in most countries, including United States, Ukraine, India, Canada and 22 other countries.
Ad Spirit is leading in Germany, Austria, Switzerland, Poland and 19 other countries.