GetSocial is leading in Top 100K Sites and Top 1M Sites.
Topsy has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Internet & Telecom, Shopping and 121 other categories.
GetSocial is leading in Business & Industry, Marketing & Advertising, Career & Education, Travel and 70 other categories.
GetSocial is leading in most countries, including United States, India, Brazil, United Kingdom and 132 other countries.
Topsy is leading in Russia, Japan, Kazakhstan, Chad and 4 other countries.