PayZen is leading in Top 100K Sites and Top 1M Sites.
PayZen has better usage coverage in more websites categories. Including Business & Industry, Shopping, Travel, Accommodation & Hotels and 15 other categories.
Spreedly is leading in Social Network, People & Society, Religion & Spirituality, Computer & Electronics and 3 other categories.
PayZen is leading in most countries, including France, India, Norway, Romania and 2 other countries.
Spreedly is leading in United States, Germany and China.