PayZen is leading in Top 1M Sites.
PayZen has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Shopping, Accommodation & Hotels and 9 other categories.
Quaderno is leading in Arts & Entertainment, Software, Computer & Electronics, Visual Arts & Design and 4 other categories.
Quaderno is leading in most countries, including United States, Spain, Belgium, Latvia and 3 other countries.
PayZen is leading in France, Switzerland, Guernsey, United Kingdom and 2 other countries.