Atom Store is leading in Top 100K Sites and Top 1M Sites.
Atom Store has better usage coverage in more websites categories. Including Shopping, Internet & Telecom, Business & Industry, Web Hosting and 15 other categories.
Epicor Prophet21 is leading in Computer & Electronics, Software, Web Design, Industrial Goods & Services and one other category.
Atom Store is leading in most countries, including Poland, Belarus, France, Germany and one other country.
Epicor Prophet21 is leading in United States, Philippines and Australia.