Flattr Button
1,501 websites

Flattr Button is free to use

http://developers.flattr.net/button/

The first step of in using the embedded button is loading it. The url to the javascript is http://api.flattr.com/js/0.6/load.js . The embed script is loaded by placing the ...

VS

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.

Market Share by Top Websites

1 Flattr Button is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Hull is clearly lagging behind, losing to Flattr Button in all segments.

Websites Categories

1 Flattr Button has better usage coverage in more websites categories. Including Computers Electronics & Technology, Arts & Entertainment, Games, Reference Materials and 17 other categories.

2 Hull is leading in Business & Consumer Services, Vehicles and Lifestyle.

Geography

1 Flattr Button is leading in most countries, including Germany, United States, France, Austria and 75 other countries.

2 Hull is leading in United Kingdom, United Arab Emirates, Bosnia and Herzegovina, Egypt and one other country.