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

Gunggo
3 websites

Gunggo is free to use

http://www.gunggo.com/

"ATTENTION: Dear Advertisers/Publishers, If you have recently been contacted by www.gunggonetwork.com, please do not respond to any requests/solicitations ...

Market Share by Top Websites

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

Websites Categories

1 Gunggo has better usage coverage in more websites categories. Including Adult, Computers Electronics & Technology and Lifestyle.

2 Adwit is leading in Food & Drink.

Geography

1 Gunggo is leading in most countries, including France, Sweden and Turkey.

2 Adwit is leading in Brazil and Spain.