Giant Realm
3 websites

Giant Realm is free to use

http://www.giantrealm.com/

Giant Realm exclusively represents advertising inventory on carefully selected web sites that appeal to the M18-34 demographic.

VS

Vocus
25 websites

Vocus costs money

http://www.cision.com

ocus provides public relations services to businesses, using a cloud-based, or software as a service (SaaS) model. The company helps businesses maximize their PR efforts through social media monitoring and engagement and media publicity ser...

Market Share by Top Websites

1 Vocus is leading in Top 100K Sites.

2 In terms of market share, Giant Realm is clearly lagging behind, losing to Vocus in all segments.

Websites Categories

1 Vocus has better usage coverage in more websites categories. Including Law & Government, Science & Education, Business & Consumer Services, Food & Drink and 3 other categories.

2 Giant Realm hasn't got a lead over Vocus in any websites category.

Geography

1 Vocus is leading in most countries, including United States, Canada, Austria, Colombia and one other country.

2 Giant Realm is leading in China and Taiwan.