APSIS is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Cheetah mail has better usage coverage in more websites categories. Including People & Society, Shopping, Arts & Entertainment, Coupons and 73 other categories.
APSIS is leading in Business & Industry, Science, Marketing & Advertising, Social Sciences and 71 other categories.
APSIS is leading in most countries, including Sweden, Denmark, Norway, Finland and 33 other countries.
Cheetah mail is leading in United States, Canada, United Kingdom, Spain and 30 other countries.