Adhere
35 websites

Adhere is free to use

http://www.marchex.com/

What does Marchex do? We make mobile advertising perform.

VS

Optimax Media Delivery
26 websites

Optimax Media Delivery is free to use

http://optmd.com/

OPTIMAX Media Delivery ... We are also one of the few ad servers that labels the ads we deliver in a way that makes it easy for consumers to find and contact us.

Market Share by Top Websites

2 In terms of market share, Adhere is clearly lagging behind, losing to Optimax Media Delivery in all segments.

Websites Categories

1 Adhere has better usage coverage in more websites categories. Including Jobs & Career, Health, Law & Government, Business & Consumer Services and 2 other categories.

2 Optimax Media Delivery is leading in Computers Electronics & Technology, Science & Education, Community & Society, Adult and one other category.

Geography

1 Optimax Media Delivery is leading in most countries, including India, Brazil, Canada, China and 4 other countries.

2 Optimax Media Delivery is leading in India, Brazil, Canada, China and 4 other countries.