Acerno
204 websites

Acerno is free to use

http://www.adroitds.com/

aCerno is an e-commerce advertisement cooperative that uses anonymous consumer shopping data from product manufacturers and retailers to identify consumers and their desired products and services.

VS

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.

Market Share by Top Websites

2 Acerno is leading in Top 100K Sites and Top 1M Sites.

Websites Categories

1 Tell-a-Friend has better usage coverage in more websites categories. Including Science & Education, Arts & Entertainment, Community & Society, Jobs & Career and 10 other categories.

2 Acerno is leading in Computers Electronics & Technology, Lifestyle, Gambling, Business & Consumer Services and 5 other categories.

Geography

1 Tell-a-Friend is leading in most countries, including United States, India, Canada, France and 30 other countries.

2 Acerno is leading in United Kingdom, Italy, Spain, Germany and 17 other countries.