Commerce Server is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
KQS-Projekt has better usage coverage in more websites categories. Including Shopping, Business & Industry, Clothing, Consumer Electronics and 69 other categories.
Commerce Server is leading in Travel, Tourism, Home & Garden, Office Products and 40 other categories.
Commerce Server is leading in most countries, including United States, United Kingdom, Germany, Canada and 46 other countries.
KQS-Projekt is leading in Poland, Russia and Slovakia.