i-system is leading in Top 100K Sites and Top 1M Sites.
i-system has better usage coverage in more websites categories. Including Shopping, Business & Industry, Clothing, Career & Education and 38 other categories.
Whirlwind Ecommerce is leading in Real Estate, Food & Drink and Restaurants & Delivery.
i-system is leading in most countries, including Poland, Malaysia, Korea Republic, United States and 21 other countries.
Whirlwind Ecommerce hasn't got a lead over i-system in any country.