AdServerPub is leading in Top 100K Sites and Top 1M Sites.
AdServerPub has better usage coverage in more websites categories. Including Arts & Entertainment, Shopping, People & Society, Internet & Telecom and 65 other categories.
Spark Studios is leading in Lottery.
AdServerPub is leading in most countries, including France, Germany, Switzerland, Morocco and 42 other countries.
Spark Studios is leading in Brazil.