Amazon Webstore is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Amazon Webstore has better usage coverage in more websites categories. Including Shopping, General Merchandise, Business & Industry, Consumer Electronics and 35 other categories.
Epicor Prophet21 is leading in Computer & Electronics, Software, Web Design, Programming and one other category.
Amazon Webstore is leading in most countries, including United States, United Kingdom, Japan, India and 25 other countries.
Epicor Prophet21 hasn't got a lead over Amazon Webstore in any country.