Tell-a-Friend
275 websites

Tell-a-Friend is free to use

http://tellafriend.socialtwist.com/

SocialTwist is a customer acquisition and retention platform that generates viral referrals for businesses, using the social connections of their customers.

VS

UberTags
59 websites

UberTags offers both free and paid options

http://UberTags.com

UberTags built the easiest way to manage website tagging. Websites increasingly use code snippets called tags to make their websites runtags are used for integrating analytics, marketing conversion tracking (pixels), surveys, video, widg...

Market Share by Top Websites

2 Tell-a-Friend is leading in Top 1M Sites.

Websites Categories

1 Tell-a-Friend has better usage coverage in more websites categories. Including Science & Education, Arts & Entertainment, Community & Society, Computers Electronics & Technology and 14 other categories.

2 UberTags is leading in Law & Government and Finance.

Geography

1 Tell-a-Friend is leading in most countries, including United States, India, United Kingdom, Canada and 40 other countries.

2 UberTags is leading in South Africa, Azerbaijan, Austria, China and one other country.