AddThis
629,840 websites

AddThis is free to use

http://www.addthis.com

AddThis, the new brand name for Clearspring Technologies, is the leader in socially connecting publishers, services and advertisers to audiences on the open web. Reaching more than 1.3 billion unique users monthly, AddThis’ social tools and...

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Pinterest
292,411 websites

Pinterest is free to use

http://pinterest.com/

Pinterest is a social networking site with a visually-pleasing virtual pinboard interface. Users collect photos and link to products they love, creating their own pinboards and following the pinboards of other people whom they find interest...

Market Share by Top Websites

1 AddThis is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Pinterest is clearly lagging behind, losing to AddThis in all segments.

Websites Categories

1 AddThis has better usage coverage in more websites categories. Including Science & Education, Arts & Entertainment, Computers Electronics & Technology, Adult and 16 other categories.

2 Pinterest is leading in Food & Drink, Lifestyle, Home & Garden and Hobbies & Leisure.

Geography

1 AddThis is leading in most countries, including United States, United Kingdom, France, Italy and 157 other countries.

2 Pinterest is leading in Japan, Argentina, Hungary, Virgin Islands and U.S..