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, Car Buying, News & Media and 81 other categories.
Twyn is leading in Weather, Classifieds, Real Estate, Beauty & Fitness and 6 other categories.
SpotX is leading in most countries, including United States, Netherlands, Germany, Russia and 39 other countries.
Twyn is leading in Austria, Switzerland and Croatia.