Peerius is leading in Top 100K Sites and Top 1M Sites.
Questback has better usage coverage in more websites categories. Including People & Society, Business & Industry, Arts & Entertainment, Internet & Telecom and 59 other categories.
Peerius is leading in Shopping, Clothing, Home & Garden, Sports and 23 other categories.
Questback is leading in most countries, including Sweden, Norway, Denmark, Belgium and 20 other countries.
Peerius is leading in United Kingdom, Germany, United States, Austria and 18 other countries.