SpotX is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
SpotX has better usage coverage in more websites categories. Including Arts & Entertainment, Autos & Vehicles, News & Media, Car Buying and 92 other categories.
Twyn is leading in Weather, Classifieds, Running, Biology and 2 other categories.
SpotX is leading in most countries, including United States, Sweden, Netherlands, Germany and 44 other countries.
Twyn is leading in Austria and Nigeria.