APSIS is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Emma has better usage coverage in more websites categories. Including Career & Education, People & Society, Arts & Entertainment, Health and 86 other categories.
APSIS is leading in Business & Industry, Shopping, Science, Social Sciences and 62 other categories.
APSIS is leading in most countries, including Sweden, Denmark, Norway, Finland and 52 other countries.
Emma is leading in United States, Canada, Australia, South Africa and 19 other countries.