Ambassador is leading in Top 100K Sites and Top 1M Sites.
Ambassador has better usage coverage in more websites categories. Including Arts & Entertainment, Business & Industry, Shopping, Photography and 50 other categories.
Buyapowa is leading in Beauty & Fitness, Food & Drink, Products & Shopping, Cycling & Biking and 4 other categories.
Ambassador is leading in most countries, including United States, Canada, Brazil, Germany and 18 other countries.
Buyapowa is leading in United Kingdom, Sweden, Denmark and Poland.