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 29 other categories.
PayZen is leading in Travel, Accommodation & Hotels, Sports and Consumer Electronics.
Humble Widget is leading in most countries, including United States, United Kingdom, France, Germany and 28 other countries.
PayZen is leading in French Polynesia and Belgium.