Qualifio
60 websites

Qualifio costs money

http://www.qualifio.com

Qualifio provides a wide range of interactions : sweepstakes, quizzes, polls, photo & video contests, personality tests and more.

VS

Wahoha
6 websites

Wahoha is free to use

http://www.wahoha.com

Wahoha is a free content exchange service for online publishers that increases the traffic of all sites in the network on a contextual basis. Patrons of the service can expect to receive significant increases in their average daily traffic ...

Market Share by Top Websites

2 Qualifio is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

Websites Categories

1 Qualifio has better usage coverage in more websites categories. Including News & Media, Food & Drink, E-commerce & Shopping, Hobbies & Leisure and 14 other categories.

2 Wahoha is leading in Adult.

Geography

1 Qualifio is leading in most countries, including France, Netherlands, Belgium, Italy and 5 other countries.

2 Wahoha is leading in United States, Greece and United Arab Emirates.