Adwit
2 websites

Adwit offers both free and paid options

http://www.adwitserver.com/

Adwit's exclusive ad optimization system (patent pending) combines contextual and behavioural analysis technologies, optimizing each ad zone with real time analysis of user profiles to match individual profiles with optimal display ads. ...

VS

StackAdapt
3 websites

StackAdapt is free to use

http://www.stackadapt.com

Native advertising solution.

Market Share by Top Websites

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

Websites Categories

1 StackAdapt has better usage coverage in more websites categories. Including Computers Electronics & Technology and Travel & Tourism.

2 Adwit is leading in Food & Drink.

Geography

1 Adwit is leading in most countries, including Brazil and Spain.

2 StackAdapt hasn't got a lead over Adwit in any country.