FastSpring is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
FastSpring has better usage coverage in more websites categories. Including Computer & Electronics, Software, Arts & Entertainment, Business & Industry and 138 other categories.
iStore PL is leading in Shopping, Clothing, Consumer Electronics, Jewelry and 12 other categories.
FastSpring is leading in most countries, including United States, Germany, Great Britain, France and 125 other countries.
iStore PL is leading in Poland.