Atom Store is leading in Top 100K Sites and Top 1M Sites.
Summer Cart has better usage coverage in more websites categories. Including Shopping, Business & Industry, Arts & Entertainment, Clothing and 100 other categories.
Atom Store is leading in Weapons, Jobs & Employment and College & University Press.
Summer Cart is leading in most countries, including Bulgaria, Turkey, Romania, United Kingdom and 22 other countries.
Atom Store is leading in Poland, Slovakia, Czech Republic and Ukraine.