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

Mercent
342 websites

Mercent is free to use

http://www.mercent.com/

Ecommerce marketing software for retailers. Increase online sales through shopping feeds to Amazon, eBay, Google Shopping, Shopping Engines and Product ...

Market Share by Top Websites

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

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

Websites Categories

1 Mercent has better usage coverage in more websites categories. Including Lifestyle, Health, Sports, E-commerce & Shopping and 18 other categories.

2 Adwit hasn't got a lead over Mercent in any websites category.

Geography

1 Mercent is leading in most countries, including United States, India, Pakistan, Indonesia and 43 other countries.

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