Be2bill is leading in Top 1M Sites.
Be2bill has better usage coverage in more websites categories. Including Shopping, Business & Industry, Clothing, Arts & Entertainment and 12 other categories.
UpClick is leading in Computer & Electronics, Software, People & Society, Web Hosting and 5 other categories.
UpClick is leading in most countries, including United States, Germany, Spain, Austria and 9 other countries.
Be2bill is leading in France, Russia, Madagascar and Japan.