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

ReferLocal
3 websites

ReferLocal is free to use

http://referlocal.com/

Market Share by Top Websites

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

Websites Categories

1 ReferLocal has better usage coverage in more websites categories. Including Pets & Animals and Sports.

2 Adwit is leading in Food & Drink.

Geography

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

2 ReferLocal is leading in United States.