PayZen is leading in Top 100K Sites and Top 1M Sites.
PayZen has better usage coverage in more websites categories. Including Business & Industry, Internet & Telecom, Travel, Shopping and 14 other categories.
Quaderno is leading in Arts & Entertainment, Computer & Electronics, Software, Visual Arts & Design and 5 other categories.
Quaderno is leading in most countries, including United States, Spain, Colombia, Poland and 8 other countries.
PayZen is leading in France, India, Germany, Guernsey and 2 other countries.