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 99 other categories.
GetSocial is leading in Business & Industry, Marketing & Advertising, Career & Education, Travel and 88 other categories.
GetSocial is leading in most countries, including United States, India, Brazil, United Kingdom and 137 other countries.
Topsy is leading in Russia, Japan, Belarus, Iceland and 5 other countries.