Amazon Webstore is leading in Top 10K Sites and Top 100K Sites.
Amazon Webstore has better usage coverage in more websites categories. Including Shopping, Business & Industry, General Merchandise, Arts & Entertainment and 47 other categories.
Atom Store is leading in Clothing, Health, Web Hosting, Games and 16 other categories.
Amazon Webstore is leading in most countries, including United States, Japan, Germany, India and 31 other countries.
Atom Store is leading in Poland, Belarus, Algeria, Austria and 2 other countries.