AdOnion
15 websites

AdOnion offers both free and paid options

http://www.adonion.com

Summary AdOnion is the new generation of transparent advertising marketplace to help all the clients both advertisers and publishers to make the most out of both worlds. With new features, we are bringing on a truly transparent marketplace...

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Mass2
14 websites

Mass2 costs money

https://yashi.com/

Our unique platform enable advertisers and publishers to connect efficiently and effectively. We ensure brand safety, provide third party fraud detection, and offer viewability metrics to monitor the integrity of the campaigns we serve.

Market Share by Top Websites

2 In terms of market share, AdOnion is clearly lagging behind, losing to Mass2 in all segments.

Websites Categories

1 Mass2 has better usage coverage in more websites categories. Including Finance, Community & Society, E-commerce & Shopping, Hobbies & Leisure and 2 other categories.

2 AdOnion is leading in Arts & Entertainment and Adult.

Geography

1 AdOnion is leading in most countries, including Argentina, Canada, Hong Kong, India and 5 other countries.

2 Mass2 is leading in United States and South Africa.