AdPlan 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, Business & Industry, Internet & Telecom and 168 other categories.
AdPlan is leading in Real Estate, Accommodation & Hotels, Web Hosting, Universities & Colleges and 25 other categories.
Topsy is leading in most countries, including Russia, United States, Brazil, France and 91 other countries.
AdPlan is leading in Japan, Taiwan, Hong Kong, Korea Republic and 3 other countries.