Humble Widget is leading in Top 100K Sites and Top 1M Sites.
Humble Widget has better usage coverage in more websites categories. Including Games, Video Games, Arts & Entertainment, Internet & Telecom and 35 other categories.
PayZen is leading in Autos & Vehicles, Health, Travel, Accommodation & Hotels and 5 other categories.
Humble Widget is leading in most countries, including United States, United Kingdom, Russia, Germany and 39 other countries.
PayZen is leading in France, French Polynesia and Guernsey.