Ad Dynamo
57 websites

Ad Dynamo offers both free and paid options

http://www.addynamo.com

Ad Dynamo is a contextual advertising marketplace, connecting publishers directly with relevant advertisers. The business ran a test market' in South Africa for 1 year, which concluded with success in June 2010. Currently opening office...

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Spring Engage
76 websites

Spring Engage costs money

http://www.springmetrics.com/

Spring Metrics solutions increase revenue for online merchants through automated, real-time customer interaction at the point of customer conversion. Based on behavioral targeting of site visitors, Smart Offers from Spring Metrics increa...

Market Share by Top Websites

1 Spring Engage is leading in Top 1M Sites.

2 In terms of market share, Ad Dynamo is clearly lagging behind, losing to Spring Engage in all segments.

Websites Categories

1 Spring Engage has better usage coverage in more websites categories. Including Home & Garden, Vehicles, Finance, Health and 8 other categories.

2 Ad Dynamo is leading in Computers Electronics & Technology, Arts & Entertainment and Reference Materials.

Geography

1 Ad Dynamo is leading in most countries, including South Africa, Pakistan, Czech Republic, India and 14 other countries.

2 Spring Engage is leading in United States, United Kingdom, Australia, Belgium and 5 other countries.