RadiumOne
491 websites

RadiumOne is free to use

http://www.radiumone.com

RadiumOne is the first Dynamic Audience Platform. RadiumOne's Dynamic Audience Platform (DAP) harnesses social interaction data through its own first party products and delivers audience scale for today's social Web. Each day RadiumOn...

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Spectate
240 websites

Spectate offers both free and paid options

http://spectate.com/

Spectate is a new kind of marketing for a new kind of marketer. Spectate makes content marketing easy by focusing on what matters: results.

Market Share by Top Websites

1 RadiumOne is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

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

Websites Categories

1 RadiumOne has better usage coverage in more websites categories. Including Travel & Tourism, Arts & Entertainment, Food & Drink, Sports and 17 other categories.

2 Spectate is leading in Science & Education, Health and Law & Government.

Geography

1 RadiumOne is leading in most countries, including United States, United Kingdom, Australia, France and 41 other countries.

2 Spectate is leading in Canada, India, Ukraine, Bolivia and 2 other countries.