PayZen is leading in Top 100K Sites.
PayZen has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Autos & Vehicles, Health and 6 other categories.
Quaderno is leading in Arts & Entertainment, Software, Computer & Electronics, Visual Arts & Design and 3 other categories.
Quaderno is leading in most countries, including United States, Spain, Belgium, United Kingdom and 5 other countries.
PayZen is leading in France, French Polynesia, Serbia and Switzerland.