Marktest is leading in Top 10K Sites and Top 100K Sites.
PercentMobile has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, Shopping and 65 other categories.
Marktest is leading in Newspapers.
PercentMobile is leading in most countries, including United States, Indonesia, India, Spain and 22 other countries.
Marktest is leading in Portugal, Brazil and Poland.