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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TurnTo
544 websites

TurnTo is free to use

http://www.turntonetworks.com/

TurnTo provides the top-performing Social Q&A system for online stores, increasing conversion rates, building loyalty, and generating content for SEO.

Market Share by Top Websites

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

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

Websites Categories

1 TurnTo has better usage coverage in more websites categories. Including Lifestyle, Home & Garden, Sports, Vehicles and 14 other categories.

2 Foursquare Widget is leading in Travel & Tourism, News & Media, Science & Education and Reference Materials.

Geography

1 TurnTo is leading in most countries, including United States, Canada, United Kingdom, Japan and 27 other countries.

2 Foursquare Widget is leading in Russia, Spain, Italy, Poland and 14 other countries.