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 34 other categories.
PayZen is leading in Shopping, Autos & Vehicles, Travel, Food & Drink and 15 other categories.
Humble Widget is leading in most countries, including United States, United Kingdom, Germany, Russia and 40 other countries.
PayZen is leading in France, Switzerland, French Polynesia, Martinique and one other country.