iQ Poll
123 websites

iQ Poll is free to use

http://www.pewresearch.org/quiz/the-news-iq-quiz/

When you finish, you will be able to compare your News IQ with the average ... It conducts public opinion polling, demographic research, media content analysis ...

VS

Po.st
1,546 websites

Po.st is free to use

http://www.po.st

Po.st is social sharing platform, an advanced link shortener and an aggregated sharing tool for publishers.

Market Share by Top Websites

1 Po.st is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 iQ Poll is leading in Top 10K Sites.

Websites Categories

1 Po.st has better usage coverage in more websites categories. Including Arts & Entertainment, Sports, Computers Electronics & Technology, Science & Education and 20 other categories.

2 iQ Poll hasn't got a lead over Po.st in any websites category.

Geography

1 Po.st is leading in most countries, including United States, France, United Kingdom, Australia and 74 other countries.

2 iQ Poll is leading in Dominican Republic and Jordan.