Ad Butler
396 websites

Ad Butler is free to use

http://www.adbutler.com/

Ad Butler offers banner rotation and advertising management software.

VS

Conversant Ad Server
1,850 websites

Conversant Ad Server costs money

http://www.conversantmedia.com/mediaplex/

The Conversant Ad Server helps advertisers deliver across channels, with a dedicated team and full-service support.

Market Share by Top Websites

1 Conversant Ad Server is leading in Top 1M Sites and The Entire Web.

2 Ad Butler is leading in Top 100K Sites.

Websites Categories

1 Conversant Ad Server has better usage coverage in more websites categories. Including Computers Electronics & Technology, Arts & Entertainment, Games, Science & Education and 19 other categories.

2 Ad Butler is leading in News & Media.

Geography

1 Conversant Ad Server is leading in most countries, including United States, United Kingdom, France, Italy and 81 other countries.

2 Ad Butler is leading in India, Saudi Arabia, Egypt, Ireland and 7 other countries.