GetSocial is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Topsy has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Health, Internet & Telecom and 98 other categories.
GetSocial is leading in Business & Industry, Marketing & Advertising, Travel, Career & Education and 89 other categories.
GetSocial is leading in most countries, including United States, India, Brazil, United Kingdom and 130 other countries.
Topsy is leading in Russia, Japan, Kazakhstan, China and 8 other countries.