Peerius is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Peerius has better usage coverage in more websites categories. Including Shopping, Clothing, Business & Industry, Home & Garden and 43 other categories.
Unister is leading in Travel, Airlines & Airports and Car Buying.
Peerius is leading in most countries, including United Kingdom, Germany, United States, Switzerland and 36 other countries.
Unister is leading in China, Czech Republic and Ukraine.