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

Sailthru Horizon
316 websites

Sailthru Horizon is free to use

http://getstarted.sailthru.com/

Third, enter your full Horizon subdomain, i.e. horizon.yourdomain.com, under the "Horizon Subdomain" field in your Sailthru account settings.

Market Share by Top Websites

1 Sailthru Horizon is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

2 In terms of market share, Acerno is clearly lagging behind, losing to Sailthru Horizon in all segments.

Websites Categories

1 Sailthru Horizon has better usage coverage in more websites categories. Including News & Media, Food & Drink, Arts & Entertainment, Travel & Tourism and 14 other categories.

2 Acerno is leading in Computers Electronics & Technology, Gambling, Sports, E-commerce & Shopping and one other category.

Geography

1 Acerno is leading in most countries, including United Kingdom, Italy, Spain, Germany and 20 other countries.

2 Sailthru Horizon is leading in United States, Canada, Hungary, India and 18 other countries.