APSIS is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
APSIS has better usage coverage in more websites categories. Including Business & Industry, Science, Marketing & Advertising, Social Sciences and 75 other categories.
Cheetah mail is leading in People & Society, Shopping, Arts & Entertainment, Coupons and 70 other categories.
Cheetah mail is leading in most countries, including United States, Canada, United Kingdom, Spain and 36 other countries.
APSIS is leading in Sweden, Denmark, Norway, Finland and 29 other countries.