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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Hello Bar
406 websites

Hello Bar offers both free and paid options

http://www.hellobar.com/

The Hello Bar is a customizable, relatively unobtrusive bar that sits at the top of a website and directs visitors with a call to action. For example, the bar on Gary Vaynerchuk’s website prompts visitors to “Circle me up on Google+!”, whil...

Market Share by Top Websites

1 Hello Bar 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 Hello Bar in all segments.

Websites Categories

1 Hello Bar has better usage coverage in more websites categories. Including Computers Electronics & Technology, Business & Consumer Services, Science & Education, Community & Society and 16 other categories.

2 Foursquare Widget is leading in Travel & Tourism and News & Media.

Geography

1 Hello Bar is leading in most countries, including United States, India, United Kingdom, Canada and 38 other countries.

2 Foursquare Widget is leading in Spain, Italy, Mexico, Austria and 6 other countries.