Peerius is leading in Top 100K Sites and Top 1M Sites.
Questback has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Business & Industry, Internet & Telecom and 59 other categories.
Peerius is leading in Shopping, Clothing, Home & Garden, Consumer Electronics and 19 other categories.
Questback is leading in most countries, including Sweden, Norway, Netherlands, Denmark and 25 other countries.
Peerius is leading in United Kingdom, Germany, Austria, Switzerland and 9 other countries.