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 35 other categories.
Unister is leading in Travel, Tourism, Internet & Telecom, Airlines & Airports and one other category.
Peerius is leading in most countries, including United Kingdom, Germany, United States, Austria and 24 other countries.
Unister is leading in China, Czech Republic and Ukraine.