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 88 other categories.
APSIS is leading in Business & Industry, Marketing & Advertising, Science, Social Sciences and 42 other categories.
Cheetah mail is leading in most countries, including United States, United Kingdom, Canada, Germany and 33 other countries.
APSIS is leading in Sweden, Denmark, Norway, Turkey and 21 other countries.