Amazon Payments is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Gumroad has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Music & Audio, Internet & Telecom and 117 other categories.
Amazon Payments is leading in Shopping, Business & Industry, Clothing, Home & Garden and 90 other categories.
Gumroad is leading in most countries, including Japan, Russia, Brazil, India and 74 other countries.
Amazon Payments is leading in United States, Germany, United Kingdom, Australia and 70 other countries.