Foursquare Widget
128 websites

Foursquare Widget is free to use

https://developer.foursquare.com/

The foursquare API gives you access to all of the data used by the foursquare mobile applications, and, in some cases, even more.

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TurnSocial
28 websites

TurnSocial offers both free and paid options

http://turnsocial.com/

The TurnSocial web toolbar is a free, easy way to add popular social media and location based applications to your local business website.

Market Share by Top Websites

2 In terms of market share, Foursquare Widget is clearly lagging behind, losing to TurnSocial in all segments.

Websites Categories

1 Foursquare Widget has better usage coverage in more websites categories. Including Arts & Entertainment, Travel & Tourism, Computers Electronics & Technology, News & Media and 12 other categories.

2 TurnSocial is leading in Business & Consumer Services, Law & Government and Pets & Animals.

Geography

1 Foursquare Widget is leading in most countries, including United States, Russia, Spain, Italy and 31 other countries.

2 TurnSocial is leading in Cyprus, Australia and South Africa.