Hull
348 websites

Hull offers both free and paid options

http://www.hull.io/

Hull is a social infrastructure as a service, that lets you build social web applications with open, reusable components.

VS

Vovici
81 websites

Vovici costs money

http://www.verint.com/solutions/voice-of-the-customer-analytics/index.html

Verint's Voice of the Customer Analytics will help you respond more effectively to customer and market demands.

Market Share by Top Websites

1 Vovici is leading in Top 10K Sites and Top 100K Sites.

2 Hull is leading in Top 1M Sites.

Websites Categories

1 Hull has better usage coverage in more websites categories. Including Business & Consumer Services, Computers Electronics & Technology, Vehicles, Lifestyle and 10 other categories.

2 Vovici is leading in Science & Education, Law & Government and Health.

Geography

1 Hull is leading in most countries, including United Kingdom, France, Germany, Canada and 28 other countries.

2 Vovici is leading in United States, China and Peru.