Marktest is leading in Top 10K Sites and Top 100K Sites.
PercentMobile has better usage coverage in more websites categories. Including Business & Industry, People & Society, Arts & Entertainment, Shopping and 29 other categories.
Marktest is leading in Newspapers and TV & Video.
PercentMobile is leading in most countries, including United States, Indonesia, Italy, United Kingdom and 24 other countries.
Marktest hasn't got a lead over PercentMobile in any country.