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 94 other categories.
Tremor Media is leading in Nutrition, Performing Arts, Fashion & Modeling, Celebrities & Entertainment News and 4 other categories.
Ad Spirit is leading in most countries, including Germany, Austria, Switzerland, Poland and 23 other countries.
Tremor Media is leading in United States, India, Japan, Saint Lucia and 5 other countries.