PayClick is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
PayClick has better usage coverage in more websites categories. Including Business & Industry, News & Media, Arts & Entertainment, People & Society and 78 other categories.
Spark Studios is leading in Humor.
PayClick is leading in most countries, including Italy, Germany, France, Russia and 30 other countries.
Spark Studios is leading in Mexico.