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

Didit
1 websites

Didit is free to use

http://www.didit.com/

Ghostery Analysis of Didit Blizzard. See which sites Didit Blizzard was found on and learn what Didit is doing with your data.

Market Share by Top Websites

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

Websites Categories

1 Adwit has better usage coverage in more websites categories. Including Food & Drink.

2 Didit is leading in Business & Consumer Services.

Geography

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

2 Didit is leading in India.